//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)

// <string_view>

// constexpr int compare(size_type pos1, size_type n1, basic_string_view str,
//             size_type pos2, size_type n2) const;

#include <string_view>
#include <cassert>
#include <stdexcept>

#include "test_macros.h"
#include "constexpr_char_traits.h"

int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }

template <typename CharT>
void test1(std::basic_string_view<CharT> sv1,
           std::size_t pos1,
           size_t n1,
           std::basic_string_view<CharT> sv2,
           std::size_t pos2,
           size_t n2,
           int expected) {
#ifdef TEST_HAS_NO_EXCEPTIONS
  if (pos1 <= sv1.size() && pos2 <= sv2.size())
    assert(sign(sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
#else
  try {
    assert(sign(sv1.compare(pos1, n1, sv2, pos2, n2)) == sign(expected));
    assert(pos1 <= sv1.size() && pos2 <= sv2.size());
  } catch (const std::out_of_range&) {
    assert(pos1 > sv1.size() || pos2 > sv2.size());
  }
#endif
}

template <typename CharT>
void test(const CharT* s1, std::size_t pos1, size_t n1, const CharT* s2, std::size_t pos2, size_t n2, int expected) {
  typedef std::basic_string_view<CharT> string_view_t;

  string_view_t sv1(s1);
  string_view_t sv2(s2);
  test1(sv1, pos1, n1, sv2, pos2, n2, expected);
}

void test0() {
  test("", 0, 0, "", 0, 0, 0);
  test("", 0, 0, "", 0, 1, 0);
  test("", 0, 0, "", 1, 0, 0);
  test("", 0, 0, "abcde", 0, 0, 0);
  test("", 0, 0, "abcde", 0, 1, -1);
  test("", 0, 0, "abcde", 0, 2, -2);
  test("", 0, 0, "abcde", 0, 4, -4);
  test("", 0, 0, "abcde", 0, 5, -5);
  test("", 0, 0, "abcde", 0, 6, -5);
  test("", 0, 0, "abcde", 1, 0, 0);
  test("", 0, 0, "abcde", 1, 1, -1);
  test("", 0, 0, "abcde", 1, 2, -2);
  test("", 0, 0, "abcde", 1, 3, -3);
  test("", 0, 0, "abcde", 1, 4, -4);
  test("", 0, 0, "abcde", 1, 5, -4);
  test("", 0, 0, "abcde", 2, 0, 0);
  test("", 0, 0, "abcde", 2, 1, -1);
  test("", 0, 0, "abcde", 2, 2, -2);
  test("", 0, 0, "abcde", 2, 3, -3);
  test("", 0, 0, "abcde", 2, 4, -3);
  test("", 0, 0, "abcde", 4, 0, 0);
  test("", 0, 0, "abcde", 4, 1, -1);
  test("", 0, 0, "abcde", 4, 2, -1);
  test("", 0, 0, "abcde", 5, 0, 0);
  test("", 0, 0, "abcde", 5, 1, 0);
  test("", 0, 0, "abcde", 6, 0, 0);
  test("", 0, 0, "abcdefghij", 0, 0, 0);
  test("", 0, 0, "abcdefghij", 0, 1, -1);
  test("", 0, 0, "abcdefghij", 0, 5, -5);
  test("", 0, 0, "abcdefghij", 0, 9, -9);
  test("", 0, 0, "abcdefghij", 0, 10, -10);
  test("", 0, 0, "abcdefghij", 0, 11, -10);
  test("", 0, 0, "abcdefghij", 1, 0, 0);
  test("", 0, 0, "abcdefghij", 1, 1, -1);
  test("", 0, 0, "abcdefghij", 1, 4, -4);
  test("", 0, 0, "abcdefghij", 1, 8, -8);
  test("", 0, 0, "abcdefghij", 1, 9, -9);
  test("", 0, 0, "abcdefghij", 1, 10, -9);
  test("", 0, 0, "abcdefghij", 5, 0, 0);
  test("", 0, 0, "abcdefghij", 5, 1, -1);
  test("", 0, 0, "abcdefghij", 5, 2, -2);
  test("", 0, 0, "abcdefghij", 5, 4, -4);
  test("", 0, 0, "abcdefghij", 5, 5, -5);
  test("", 0, 0, "abcdefghij", 5, 6, -5);
  test("", 0, 0, "abcdefghij", 9, 0, 0);
  test("", 0, 0, "abcdefghij", 9, 1, -1);
  test("", 0, 0, "abcdefghij", 9, 2, -1);
  test("", 0, 0, "abcdefghij", 10, 0, 0);
  test("", 0, 0, "abcdefghij", 10, 1, 0);
  test("", 0, 0, "abcdefghij", 11, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("", 0, 1, "", 0, 0, 0);
  test("", 0, 1, "", 0, 1, 0);
  test("", 0, 1, "", 1, 0, 0);
  test("", 0, 1, "abcde", 0, 0, 0);
  test("", 0, 1, "abcde", 0, 1, -1);
  test("", 0, 1, "abcde", 0, 2, -2);
  test("", 0, 1, "abcde", 0, 4, -4);
  test("", 0, 1, "abcde", 0, 5, -5);
  test("", 0, 1, "abcde", 0, 6, -5);
  test("", 0, 1, "abcde", 1, 0, 0);
  test("", 0, 1, "abcde", 1, 1, -1);
  test("", 0, 1, "abcde", 1, 2, -2);
  test("", 0, 1, "abcde", 1, 3, -3);
  test("", 0, 1, "abcde", 1, 4, -4);
  test("", 0, 1, "abcde", 1, 5, -4);
  test("", 0, 1, "abcde", 2, 0, 0);
  test("", 0, 1, "abcde", 2, 1, -1);
  test("", 0, 1, "abcde", 2, 2, -2);
  test("", 0, 1, "abcde", 2, 3, -3);
  test("", 0, 1, "abcde", 2, 4, -3);
  test("", 0, 1, "abcde", 4, 0, 0);
  test("", 0, 1, "abcde", 4, 1, -1);
  test("", 0, 1, "abcde", 4, 2, -1);
  test("", 0, 1, "abcde", 5, 0, 0);
  test("", 0, 1, "abcde", 5, 1, 0);
  test("", 0, 1, "abcde", 6, 0, 0);
}

void test1() {
  test("", 0, 1, "abcdefghij", 0, 0, 0);
  test("", 0, 1, "abcdefghij", 0, 1, -1);
  test("", 0, 1, "abcdefghij", 0, 5, -5);
  test("", 0, 1, "abcdefghij", 0, 9, -9);
  test("", 0, 1, "abcdefghij", 0, 10, -10);
  test("", 0, 1, "abcdefghij", 0, 11, -10);
  test("", 0, 1, "abcdefghij", 1, 0, 0);
  test("", 0, 1, "abcdefghij", 1, 1, -1);
  test("", 0, 1, "abcdefghij", 1, 4, -4);
  test("", 0, 1, "abcdefghij", 1, 8, -8);
  test("", 0, 1, "abcdefghij", 1, 9, -9);
  test("", 0, 1, "abcdefghij", 1, 10, -9);
  test("", 0, 1, "abcdefghij", 5, 0, 0);
  test("", 0, 1, "abcdefghij", 5, 1, -1);
  test("", 0, 1, "abcdefghij", 5, 2, -2);
  test("", 0, 1, "abcdefghij", 5, 4, -4);
  test("", 0, 1, "abcdefghij", 5, 5, -5);
  test("", 0, 1, "abcdefghij", 5, 6, -5);
  test("", 0, 1, "abcdefghij", 9, 0, 0);
  test("", 0, 1, "abcdefghij", 9, 1, -1);
  test("", 0, 1, "abcdefghij", 9, 2, -1);
  test("", 0, 1, "abcdefghij", 10, 0, 0);
  test("", 0, 1, "abcdefghij", 10, 1, 0);
  test("", 0, 1, "abcdefghij", 11, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 1, -1);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 10, -10);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 19, -19);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 20, -20);
  test("", 0, 1, "abcdefghijklmnopqrst", 0, 21, -20);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 9, -9);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 18, -18);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 19, -19);
  test("", 0, 1, "abcdefghijklmnopqrst", 1, 20, -19);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 1, -1);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 5, -5);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("", 0, 1, "abcdefghijklmnopqrst", 19, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 19, 1, -1);
  test("", 0, 1, "abcdefghijklmnopqrst", 19, 2, -1);
  test("", 0, 1, "abcdefghijklmnopqrst", 20, 0, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 20, 1, 0);
  test("", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("", 1, 0, "", 0, 0, 0);
  test("", 1, 0, "", 0, 1, 0);
  test("", 1, 0, "", 1, 0, 0);
  test("", 1, 0, "abcde", 0, 0, 0);
  test("", 1, 0, "abcde", 0, 1, 0);
  test("", 1, 0, "abcde", 0, 2, 0);
  test("", 1, 0, "abcde", 0, 4, 0);
  test("", 1, 0, "abcde", 0, 5, 0);
  test("", 1, 0, "abcde", 0, 6, 0);
  test("", 1, 0, "abcde", 1, 0, 0);
  test("", 1, 0, "abcde", 1, 1, 0);
  test("", 1, 0, "abcde", 1, 2, 0);
  test("", 1, 0, "abcde", 1, 3, 0);
  test("", 1, 0, "abcde", 1, 4, 0);
  test("", 1, 0, "abcde", 1, 5, 0);
  test("", 1, 0, "abcde", 2, 0, 0);
  test("", 1, 0, "abcde", 2, 1, 0);
  test("", 1, 0, "abcde", 2, 2, 0);
  test("", 1, 0, "abcde", 2, 3, 0);
  test("", 1, 0, "abcde", 2, 4, 0);
  test("", 1, 0, "abcde", 4, 0, 0);
  test("", 1, 0, "abcde", 4, 1, 0);
  test("", 1, 0, "abcde", 4, 2, 0);
  test("", 1, 0, "abcde", 5, 0, 0);
  test("", 1, 0, "abcde", 5, 1, 0);
  test("", 1, 0, "abcde", 6, 0, 0);
  test("", 1, 0, "abcdefghij", 0, 0, 0);
  test("", 1, 0, "abcdefghij", 0, 1, 0);
  test("", 1, 0, "abcdefghij", 0, 5, 0);
  test("", 1, 0, "abcdefghij", 0, 9, 0);
  test("", 1, 0, "abcdefghij", 0, 10, 0);
  test("", 1, 0, "abcdefghij", 0, 11, 0);
  test("", 1, 0, "abcdefghij", 1, 0, 0);
  test("", 1, 0, "abcdefghij", 1, 1, 0);
  test("", 1, 0, "abcdefghij", 1, 4, 0);
  test("", 1, 0, "abcdefghij", 1, 8, 0);
  test("", 1, 0, "abcdefghij", 1, 9, 0);
  test("", 1, 0, "abcdefghij", 1, 10, 0);
  test("", 1, 0, "abcdefghij", 5, 0, 0);
  test("", 1, 0, "abcdefghij", 5, 1, 0);
  test("", 1, 0, "abcdefghij", 5, 2, 0);
  test("", 1, 0, "abcdefghij", 5, 4, 0);
  test("", 1, 0, "abcdefghij", 5, 5, 0);
  test("", 1, 0, "abcdefghij", 5, 6, 0);
  test("", 1, 0, "abcdefghij", 9, 0, 0);
  test("", 1, 0, "abcdefghij", 9, 1, 0);
  test("", 1, 0, "abcdefghij", 9, 2, 0);
  test("", 1, 0, "abcdefghij", 10, 0, 0);
  test("", 1, 0, "abcdefghij", 10, 1, 0);
  test("", 1, 0, "abcdefghij", 11, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 1, 0);
}

void test2() {
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 10, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 19, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 20, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 0, 21, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 1, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 9, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 18, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 19, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 1, 20, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 1, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 5, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 9, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 10, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 10, 11, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 19, 1, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 19, 2, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 0, "", 0, 0, 0);
  test("abcde", 0, 0, "", 0, 1, 0);
  test("abcde", 0, 0, "", 1, 0, 0);
  test("abcde", 0, 0, "abcde", 0, 0, 0);
  test("abcde", 0, 0, "abcde", 0, 1, -1);
  test("abcde", 0, 0, "abcde", 0, 2, -2);
  test("abcde", 0, 0, "abcde", 0, 4, -4);
  test("abcde", 0, 0, "abcde", 0, 5, -5);
  test("abcde", 0, 0, "abcde", 0, 6, -5);
  test("abcde", 0, 0, "abcde", 1, 0, 0);
  test("abcde", 0, 0, "abcde", 1, 1, -1);
  test("abcde", 0, 0, "abcde", 1, 2, -2);
  test("abcde", 0, 0, "abcde", 1, 3, -3);
  test("abcde", 0, 0, "abcde", 1, 4, -4);
  test("abcde", 0, 0, "abcde", 1, 5, -4);
  test("abcde", 0, 0, "abcde", 2, 0, 0);
  test("abcde", 0, 0, "abcde", 2, 1, -1);
  test("abcde", 0, 0, "abcde", 2, 2, -2);
  test("abcde", 0, 0, "abcde", 2, 3, -3);
  test("abcde", 0, 0, "abcde", 2, 4, -3);
  test("abcde", 0, 0, "abcde", 4, 0, 0);
  test("abcde", 0, 0, "abcde", 4, 1, -1);
  test("abcde", 0, 0, "abcde", 4, 2, -1);
  test("abcde", 0, 0, "abcde", 5, 0, 0);
  test("abcde", 0, 0, "abcde", 5, 1, 0);
  test("abcde", 0, 0, "abcde", 6, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 0, 1, -1);
  test("abcde", 0, 0, "abcdefghij", 0, 5, -5);
  test("abcde", 0, 0, "abcdefghij", 0, 9, -9);
  test("abcde", 0, 0, "abcdefghij", 0, 10, -10);
  test("abcde", 0, 0, "abcdefghij", 0, 11, -10);
  test("abcde", 0, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 0, "abcdefghij", 1, 4, -4);
  test("abcde", 0, 0, "abcdefghij", 1, 8, -8);
  test("abcde", 0, 0, "abcdefghij", 1, 9, -9);
  test("abcde", 0, 0, "abcdefghij", 1, 10, -9);
  test("abcde", 0, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 5, 1, -1);
  test("abcde", 0, 0, "abcdefghij", 5, 2, -2);
  test("abcde", 0, 0, "abcdefghij", 5, 4, -4);
  test("abcde", 0, 0, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 0, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 9, 1, -1);
  test("abcde", 0, 0, "abcdefghij", 9, 2, -1);
  test("abcde", 0, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 0, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 0, 0, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 1, "", 0, 0, 1);
  test("abcde", 0, 1, "", 0, 1, 1);
  test("abcde", 0, 1, "", 1, 0, 0);
  test("abcde", 0, 1, "abcde", 0, 0, 1);
}

void test3() {
  test("abcde", 0, 1, "abcde", 0, 1, 0);
  test("abcde", 0, 1, "abcde", 0, 2, -1);
  test("abcde", 0, 1, "abcde", 0, 4, -3);
  test("abcde", 0, 1, "abcde", 0, 5, -4);
  test("abcde", 0, 1, "abcde", 0, 6, -4);
  test("abcde", 0, 1, "abcde", 1, 0, 1);
  test("abcde", 0, 1, "abcde", 1, 1, -1);
  test("abcde", 0, 1, "abcde", 1, 2, -1);
  test("abcde", 0, 1, "abcde", 1, 3, -1);
  test("abcde", 0, 1, "abcde", 1, 4, -1);
  test("abcde", 0, 1, "abcde", 1, 5, -1);
  test("abcde", 0, 1, "abcde", 2, 0, 1);
  test("abcde", 0, 1, "abcde", 2, 1, -2);
  test("abcde", 0, 1, "abcde", 2, 2, -2);
  test("abcde", 0, 1, "abcde", 2, 3, -2);
  test("abcde", 0, 1, "abcde", 2, 4, -2);
  test("abcde", 0, 1, "abcde", 4, 0, 1);
  test("abcde", 0, 1, "abcde", 4, 1, -4);
  test("abcde", 0, 1, "abcde", 4, 2, -4);
  test("abcde", 0, 1, "abcde", 5, 0, 1);
  test("abcde", 0, 1, "abcde", 5, 1, 1);
  test("abcde", 0, 1, "abcde", 6, 0, 0);
  test("abcde", 0, 1, "abcdefghij", 0, 0, 1);
  test("abcde", 0, 1, "abcdefghij", 0, 1, 0);
  test("abcde", 0, 1, "abcdefghij", 0, 5, -4);
  test("abcde", 0, 1, "abcdefghij", 0, 9, -8);
  test("abcde", 0, 1, "abcdefghij", 0, 10, -9);
  test("abcde", 0, 1, "abcdefghij", 0, 11, -9);
  test("abcde", 0, 1, "abcdefghij", 1, 0, 1);
  test("abcde", 0, 1, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 1, "abcdefghij", 1, 4, -1);
  test("abcde", 0, 1, "abcdefghij", 1, 8, -1);
  test("abcde", 0, 1, "abcdefghij", 1, 9, -1);
  test("abcde", 0, 1, "abcdefghij", 1, 10, -1);
  test("abcde", 0, 1, "abcdefghij", 5, 0, 1);
  test("abcde", 0, 1, "abcdefghij", 5, 1, -5);
  test("abcde", 0, 1, "abcdefghij", 5, 2, -5);
  test("abcde", 0, 1, "abcdefghij", 5, 4, -5);
  test("abcde", 0, 1, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 1, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 1, "abcdefghij", 9, 0, 1);
  test("abcde", 0, 1, "abcdefghij", 9, 1, -9);
  test("abcde", 0, 1, "abcdefghij", 9, 2, -9);
  test("abcde", 0, 1, "abcdefghij", 10, 0, 1);
  test("abcde", 0, 1, "abcdefghij", 10, 1, 1);
  test("abcde", 0, 1, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcde", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 2, "", 0, 0, 2);
  test("abcde", 0, 2, "", 0, 1, 2);
  test("abcde", 0, 2, "", 1, 0, 0);
  test("abcde", 0, 2, "abcde", 0, 0, 2);
  test("abcde", 0, 2, "abcde", 0, 1, 1);
  test("abcde", 0, 2, "abcde", 0, 2, 0);
  test("abcde", 0, 2, "abcde", 0, 4, -2);
  test("abcde", 0, 2, "abcde", 0, 5, -3);
  test("abcde", 0, 2, "abcde", 0, 6, -3);
  test("abcde", 0, 2, "abcde", 1, 0, 2);
  test("abcde", 0, 2, "abcde", 1, 1, -1);
  test("abcde", 0, 2, "abcde", 1, 2, -1);
  test("abcde", 0, 2, "abcde", 1, 3, -1);
  test("abcde", 0, 2, "abcde", 1, 4, -1);
  test("abcde", 0, 2, "abcde", 1, 5, -1);
  test("abcde", 0, 2, "abcde", 2, 0, 2);
  test("abcde", 0, 2, "abcde", 2, 1, -2);
  test("abcde", 0, 2, "abcde", 2, 2, -2);
  test("abcde", 0, 2, "abcde", 2, 3, -2);
  test("abcde", 0, 2, "abcde", 2, 4, -2);
  test("abcde", 0, 2, "abcde", 4, 0, 2);
  test("abcde", 0, 2, "abcde", 4, 1, -4);
  test("abcde", 0, 2, "abcde", 4, 2, -4);
  test("abcde", 0, 2, "abcde", 5, 0, 2);
  test("abcde", 0, 2, "abcde", 5, 1, 2);
  test("abcde", 0, 2, "abcde", 6, 0, 0);
  test("abcde", 0, 2, "abcdefghij", 0, 0, 2);
  test("abcde", 0, 2, "abcdefghij", 0, 1, 1);
  test("abcde", 0, 2, "abcdefghij", 0, 5, -3);
  test("abcde", 0, 2, "abcdefghij", 0, 9, -7);
}

void test4() {
  test("abcde", 0, 2, "abcdefghij", 0, 10, -8);
  test("abcde", 0, 2, "abcdefghij", 0, 11, -8);
  test("abcde", 0, 2, "abcdefghij", 1, 0, 2);
  test("abcde", 0, 2, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 2, "abcdefghij", 1, 4, -1);
  test("abcde", 0, 2, "abcdefghij", 1, 8, -1);
  test("abcde", 0, 2, "abcdefghij", 1, 9, -1);
  test("abcde", 0, 2, "abcdefghij", 1, 10, -1);
  test("abcde", 0, 2, "abcdefghij", 5, 0, 2);
  test("abcde", 0, 2, "abcdefghij", 5, 1, -5);
  test("abcde", 0, 2, "abcdefghij", 5, 2, -5);
  test("abcde", 0, 2, "abcdefghij", 5, 4, -5);
  test("abcde", 0, 2, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 2, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 2, "abcdefghij", 9, 0, 2);
  test("abcde", 0, 2, "abcdefghij", 9, 1, -9);
  test("abcde", 0, 2, "abcdefghij", 9, 2, -9);
  test("abcde", 0, 2, "abcdefghij", 10, 0, 2);
  test("abcde", 0, 2, "abcdefghij", 10, 1, 2);
  test("abcde", 0, 2, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 0, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 10, -8);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 19, -17);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 20, -18);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 0, 21, -18);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 0, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 0, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 0, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 0, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 20, 1, 2);
  test("abcde", 0, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 4, "", 0, 0, 4);
  test("abcde", 0, 4, "", 0, 1, 4);
  test("abcde", 0, 4, "", 1, 0, 0);
  test("abcde", 0, 4, "abcde", 0, 0, 4);
  test("abcde", 0, 4, "abcde", 0, 1, 3);
  test("abcde", 0, 4, "abcde", 0, 2, 2);
  test("abcde", 0, 4, "abcde", 0, 4, 0);
  test("abcde", 0, 4, "abcde", 0, 5, -1);
  test("abcde", 0, 4, "abcde", 0, 6, -1);
  test("abcde", 0, 4, "abcde", 1, 0, 4);
  test("abcde", 0, 4, "abcde", 1, 1, -1);
  test("abcde", 0, 4, "abcde", 1, 2, -1);
  test("abcde", 0, 4, "abcde", 1, 3, -1);
  test("abcde", 0, 4, "abcde", 1, 4, -1);
  test("abcde", 0, 4, "abcde", 1, 5, -1);
  test("abcde", 0, 4, "abcde", 2, 0, 4);
  test("abcde", 0, 4, "abcde", 2, 1, -2);
  test("abcde", 0, 4, "abcde", 2, 2, -2);
  test("abcde", 0, 4, "abcde", 2, 3, -2);
  test("abcde", 0, 4, "abcde", 2, 4, -2);
  test("abcde", 0, 4, "abcde", 4, 0, 4);
  test("abcde", 0, 4, "abcde", 4, 1, -4);
  test("abcde", 0, 4, "abcde", 4, 2, -4);
  test("abcde", 0, 4, "abcde", 5, 0, 4);
  test("abcde", 0, 4, "abcde", 5, 1, 4);
  test("abcde", 0, 4, "abcde", 6, 0, 0);
  test("abcde", 0, 4, "abcdefghij", 0, 0, 4);
  test("abcde", 0, 4, "abcdefghij", 0, 1, 3);
  test("abcde", 0, 4, "abcdefghij", 0, 5, -1);
  test("abcde", 0, 4, "abcdefghij", 0, 9, -5);
  test("abcde", 0, 4, "abcdefghij", 0, 10, -6);
  test("abcde", 0, 4, "abcdefghij", 0, 11, -6);
  test("abcde", 0, 4, "abcdefghij", 1, 0, 4);
  test("abcde", 0, 4, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 4, "abcdefghij", 1, 4, -1);
  test("abcde", 0, 4, "abcdefghij", 1, 8, -1);
  test("abcde", 0, 4, "abcdefghij", 1, 9, -1);
  test("abcde", 0, 4, "abcdefghij", 1, 10, -1);
  test("abcde", 0, 4, "abcdefghij", 5, 0, 4);
  test("abcde", 0, 4, "abcdefghij", 5, 1, -5);
  test("abcde", 0, 4, "abcdefghij", 5, 2, -5);
  test("abcde", 0, 4, "abcdefghij", 5, 4, -5);
  test("abcde", 0, 4, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 4, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 4, "abcdefghij", 9, 0, 4);
  test("abcde", 0, 4, "abcdefghij", 9, 1, -9);
  test("abcde", 0, 4, "abcdefghij", 9, 2, -9);
  test("abcde", 0, 4, "abcdefghij", 10, 0, 4);
  test("abcde", 0, 4, "abcdefghij", 10, 1, 4);
  test("abcde", 0, 4, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 0, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 1, 3);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 10, -6);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 19, -15);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 20, -16);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 0, 21, -16);
}

void test5() {
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 0, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 0, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 0, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 0, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 20, 1, 4);
  test("abcde", 0, 4, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 5, "", 0, 0, 5);
  test("abcde", 0, 5, "", 0, 1, 5);
  test("abcde", 0, 5, "", 1, 0, 0);
  test("abcde", 0, 5, "abcde", 0, 0, 5);
  test("abcde", 0, 5, "abcde", 0, 1, 4);
  test("abcde", 0, 5, "abcde", 0, 2, 3);
  test("abcde", 0, 5, "abcde", 0, 4, 1);
  test("abcde", 0, 5, "abcde", 0, 5, 0);
  test("abcde", 0, 5, "abcde", 0, 6, 0);
  test("abcde", 0, 5, "abcde", 1, 0, 5);
  test("abcde", 0, 5, "abcde", 1, 1, -1);
  test("abcde", 0, 5, "abcde", 1, 2, -1);
  test("abcde", 0, 5, "abcde", 1, 3, -1);
  test("abcde", 0, 5, "abcde", 1, 4, -1);
  test("abcde", 0, 5, "abcde", 1, 5, -1);
  test("abcde", 0, 5, "abcde", 2, 0, 5);
  test("abcde", 0, 5, "abcde", 2, 1, -2);
  test("abcde", 0, 5, "abcde", 2, 2, -2);
  test("abcde", 0, 5, "abcde", 2, 3, -2);
  test("abcde", 0, 5, "abcde", 2, 4, -2);
  test("abcde", 0, 5, "abcde", 4, 0, 5);
  test("abcde", 0, 5, "abcde", 4, 1, -4);
  test("abcde", 0, 5, "abcde", 4, 2, -4);
  test("abcde", 0, 5, "abcde", 5, 0, 5);
  test("abcde", 0, 5, "abcde", 5, 1, 5);
  test("abcde", 0, 5, "abcde", 6, 0, 0);
  test("abcde", 0, 5, "abcdefghij", 0, 0, 5);
  test("abcde", 0, 5, "abcdefghij", 0, 1, 4);
  test("abcde", 0, 5, "abcdefghij", 0, 5, 0);
  test("abcde", 0, 5, "abcdefghij", 0, 9, -4);
  test("abcde", 0, 5, "abcdefghij", 0, 10, -5);
  test("abcde", 0, 5, "abcdefghij", 0, 11, -5);
  test("abcde", 0, 5, "abcdefghij", 1, 0, 5);
  test("abcde", 0, 5, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 5, "abcdefghij", 1, 4, -1);
  test("abcde", 0, 5, "abcdefghij", 1, 8, -1);
  test("abcde", 0, 5, "abcdefghij", 1, 9, -1);
  test("abcde", 0, 5, "abcdefghij", 1, 10, -1);
  test("abcde", 0, 5, "abcdefghij", 5, 0, 5);
  test("abcde", 0, 5, "abcdefghij", 5, 1, -5);
  test("abcde", 0, 5, "abcdefghij", 5, 2, -5);
  test("abcde", 0, 5, "abcdefghij", 5, 4, -5);
  test("abcde", 0, 5, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 5, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 5, "abcdefghij", 9, 0, 5);
  test("abcde", 0, 5, "abcdefghij", 9, 1, -9);
  test("abcde", 0, 5, "abcdefghij", 9, 2, -9);
  test("abcde", 0, 5, "abcdefghij", 10, 0, 5);
  test("abcde", 0, 5, "abcdefghij", 10, 1, 5);
  test("abcde", 0, 5, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcde", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 0, 6, "", 0, 0, 5);
  test("abcde", 0, 6, "", 0, 1, 5);
  test("abcde", 0, 6, "", 1, 0, 0);
  test("abcde", 0, 6, "abcde", 0, 0, 5);
  test("abcde", 0, 6, "abcde", 0, 1, 4);
  test("abcde", 0, 6, "abcde", 0, 2, 3);
  test("abcde", 0, 6, "abcde", 0, 4, 1);
  test("abcde", 0, 6, "abcde", 0, 5, 0);
}

void test6() {
  test("abcde", 0, 6, "abcde", 0, 6, 0);
  test("abcde", 0, 6, "abcde", 1, 0, 5);
  test("abcde", 0, 6, "abcde", 1, 1, -1);
  test("abcde", 0, 6, "abcde", 1, 2, -1);
  test("abcde", 0, 6, "abcde", 1, 3, -1);
  test("abcde", 0, 6, "abcde", 1, 4, -1);
  test("abcde", 0, 6, "abcde", 1, 5, -1);
  test("abcde", 0, 6, "abcde", 2, 0, 5);
  test("abcde", 0, 6, "abcde", 2, 1, -2);
  test("abcde", 0, 6, "abcde", 2, 2, -2);
  test("abcde", 0, 6, "abcde", 2, 3, -2);
  test("abcde", 0, 6, "abcde", 2, 4, -2);
  test("abcde", 0, 6, "abcde", 4, 0, 5);
  test("abcde", 0, 6, "abcde", 4, 1, -4);
  test("abcde", 0, 6, "abcde", 4, 2, -4);
  test("abcde", 0, 6, "abcde", 5, 0, 5);
  test("abcde", 0, 6, "abcde", 5, 1, 5);
  test("abcde", 0, 6, "abcde", 6, 0, 0);
  test("abcde", 0, 6, "abcdefghij", 0, 0, 5);
  test("abcde", 0, 6, "abcdefghij", 0, 1, 4);
  test("abcde", 0, 6, "abcdefghij", 0, 5, 0);
  test("abcde", 0, 6, "abcdefghij", 0, 9, -4);
  test("abcde", 0, 6, "abcdefghij", 0, 10, -5);
  test("abcde", 0, 6, "abcdefghij", 0, 11, -5);
  test("abcde", 0, 6, "abcdefghij", 1, 0, 5);
  test("abcde", 0, 6, "abcdefghij", 1, 1, -1);
  test("abcde", 0, 6, "abcdefghij", 1, 4, -1);
  test("abcde", 0, 6, "abcdefghij", 1, 8, -1);
  test("abcde", 0, 6, "abcdefghij", 1, 9, -1);
  test("abcde", 0, 6, "abcdefghij", 1, 10, -1);
  test("abcde", 0, 6, "abcdefghij", 5, 0, 5);
  test("abcde", 0, 6, "abcdefghij", 5, 1, -5);
  test("abcde", 0, 6, "abcdefghij", 5, 2, -5);
  test("abcde", 0, 6, "abcdefghij", 5, 4, -5);
  test("abcde", 0, 6, "abcdefghij", 5, 5, -5);
  test("abcde", 0, 6, "abcdefghij", 5, 6, -5);
  test("abcde", 0, 6, "abcdefghij", 9, 0, 5);
  test("abcde", 0, 6, "abcdefghij", 9, 1, -9);
  test("abcde", 0, 6, "abcdefghij", 9, 2, -9);
  test("abcde", 0, 6, "abcdefghij", 10, 0, 5);
  test("abcde", 0, 6, "abcdefghij", 10, 1, 5);
  test("abcde", 0, 6, "abcdefghij", 11, 0, 0);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 1, 4);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 10, -5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 19, -14);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 20, -15);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 0, 21, -15);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcde", 0, 6, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 0, "", 0, 0, 0);
  test("abcde", 1, 0, "", 0, 1, 0);
  test("abcde", 1, 0, "", 1, 0, 0);
  test("abcde", 1, 0, "abcde", 0, 0, 0);
  test("abcde", 1, 0, "abcde", 0, 1, -1);
  test("abcde", 1, 0, "abcde", 0, 2, -2);
  test("abcde", 1, 0, "abcde", 0, 4, -4);
  test("abcde", 1, 0, "abcde", 0, 5, -5);
  test("abcde", 1, 0, "abcde", 0, 6, -5);
  test("abcde", 1, 0, "abcde", 1, 0, 0);
  test("abcde", 1, 0, "abcde", 1, 1, -1);
  test("abcde", 1, 0, "abcde", 1, 2, -2);
  test("abcde", 1, 0, "abcde", 1, 3, -3);
  test("abcde", 1, 0, "abcde", 1, 4, -4);
  test("abcde", 1, 0, "abcde", 1, 5, -4);
  test("abcde", 1, 0, "abcde", 2, 0, 0);
  test("abcde", 1, 0, "abcde", 2, 1, -1);
  test("abcde", 1, 0, "abcde", 2, 2, -2);
  test("abcde", 1, 0, "abcde", 2, 3, -3);
  test("abcde", 1, 0, "abcde", 2, 4, -3);
  test("abcde", 1, 0, "abcde", 4, 0, 0);
  test("abcde", 1, 0, "abcde", 4, 1, -1);
  test("abcde", 1, 0, "abcde", 4, 2, -1);
  test("abcde", 1, 0, "abcde", 5, 0, 0);
  test("abcde", 1, 0, "abcde", 5, 1, 0);
  test("abcde", 1, 0, "abcde", 6, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 0, 1, -1);
  test("abcde", 1, 0, "abcdefghij", 0, 5, -5);
  test("abcde", 1, 0, "abcdefghij", 0, 9, -9);
  test("abcde", 1, 0, "abcdefghij", 0, 10, -10);
  test("abcde", 1, 0, "abcdefghij", 0, 11, -10);
  test("abcde", 1, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 1, 1, -1);
}

void test7() {
  test("abcde", 1, 0, "abcdefghij", 1, 4, -4);
  test("abcde", 1, 0, "abcdefghij", 1, 8, -8);
  test("abcde", 1, 0, "abcdefghij", 1, 9, -9);
  test("abcde", 1, 0, "abcdefghij", 1, 10, -9);
  test("abcde", 1, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 5, 1, -1);
  test("abcde", 1, 0, "abcdefghij", 5, 2, -2);
  test("abcde", 1, 0, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 0, "abcdefghij", 5, 5, -5);
  test("abcde", 1, 0, "abcdefghij", 5, 6, -5);
  test("abcde", 1, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 9, 1, -1);
  test("abcde", 1, 0, "abcdefghij", 9, 2, -1);
  test("abcde", 1, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 1, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 1, 0, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 1, "", 0, 0, 1);
  test("abcde", 1, 1, "", 0, 1, 1);
  test("abcde", 1, 1, "", 1, 0, 0);
  test("abcde", 1, 1, "abcde", 0, 0, 1);
  test("abcde", 1, 1, "abcde", 0, 1, 1);
  test("abcde", 1, 1, "abcde", 0, 2, 1);
  test("abcde", 1, 1, "abcde", 0, 4, 1);
  test("abcde", 1, 1, "abcde", 0, 5, 1);
  test("abcde", 1, 1, "abcde", 0, 6, 1);
  test("abcde", 1, 1, "abcde", 1, 0, 1);
  test("abcde", 1, 1, "abcde", 1, 1, 0);
  test("abcde", 1, 1, "abcde", 1, 2, -1);
  test("abcde", 1, 1, "abcde", 1, 3, -2);
  test("abcde", 1, 1, "abcde", 1, 4, -3);
  test("abcde", 1, 1, "abcde", 1, 5, -3);
  test("abcde", 1, 1, "abcde", 2, 0, 1);
  test("abcde", 1, 1, "abcde", 2, 1, -1);
  test("abcde", 1, 1, "abcde", 2, 2, -1);
  test("abcde", 1, 1, "abcde", 2, 3, -1);
  test("abcde", 1, 1, "abcde", 2, 4, -1);
  test("abcde", 1, 1, "abcde", 4, 0, 1);
  test("abcde", 1, 1, "abcde", 4, 1, -3);
  test("abcde", 1, 1, "abcde", 4, 2, -3);
  test("abcde", 1, 1, "abcde", 5, 0, 1);
  test("abcde", 1, 1, "abcde", 5, 1, 1);
  test("abcde", 1, 1, "abcde", 6, 0, 0);
  test("abcde", 1, 1, "abcdefghij", 0, 0, 1);
  test("abcde", 1, 1, "abcdefghij", 0, 1, 1);
  test("abcde", 1, 1, "abcdefghij", 0, 5, 1);
  test("abcde", 1, 1, "abcdefghij", 0, 9, 1);
  test("abcde", 1, 1, "abcdefghij", 0, 10, 1);
  test("abcde", 1, 1, "abcdefghij", 0, 11, 1);
  test("abcde", 1, 1, "abcdefghij", 1, 0, 1);
  test("abcde", 1, 1, "abcdefghij", 1, 1, 0);
  test("abcde", 1, 1, "abcdefghij", 1, 4, -3);
  test("abcde", 1, 1, "abcdefghij", 1, 8, -7);
  test("abcde", 1, 1, "abcdefghij", 1, 9, -8);
  test("abcde", 1, 1, "abcdefghij", 1, 10, -8);
  test("abcde", 1, 1, "abcdefghij", 5, 0, 1);
  test("abcde", 1, 1, "abcdefghij", 5, 1, -4);
  test("abcde", 1, 1, "abcdefghij", 5, 2, -4);
  test("abcde", 1, 1, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 1, "abcdefghij", 5, 5, -4);
  test("abcde", 1, 1, "abcdefghij", 5, 6, -4);
  test("abcde", 1, 1, "abcdefghij", 9, 0, 1);
  test("abcde", 1, 1, "abcdefghij", 9, 1, -8);
  test("abcde", 1, 1, "abcdefghij", 9, 2, -8);
  test("abcde", 1, 1, "abcdefghij", 10, 0, 1);
  test("abcde", 1, 1, "abcdefghij", 10, 1, 1);
  test("abcde", 1, 1, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
}

void test8() {
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcde", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 2, "", 0, 0, 2);
  test("abcde", 1, 2, "", 0, 1, 2);
  test("abcde", 1, 2, "", 1, 0, 0);
  test("abcde", 1, 2, "abcde", 0, 0, 2);
  test("abcde", 1, 2, "abcde", 0, 1, 1);
  test("abcde", 1, 2, "abcde", 0, 2, 1);
  test("abcde", 1, 2, "abcde", 0, 4, 1);
  test("abcde", 1, 2, "abcde", 0, 5, 1);
  test("abcde", 1, 2, "abcde", 0, 6, 1);
  test("abcde", 1, 2, "abcde", 1, 0, 2);
  test("abcde", 1, 2, "abcde", 1, 1, 1);
  test("abcde", 1, 2, "abcde", 1, 2, 0);
  test("abcde", 1, 2, "abcde", 1, 3, -1);
  test("abcde", 1, 2, "abcde", 1, 4, -2);
  test("abcde", 1, 2, "abcde", 1, 5, -2);
  test("abcde", 1, 2, "abcde", 2, 0, 2);
  test("abcde", 1, 2, "abcde", 2, 1, -1);
  test("abcde", 1, 2, "abcde", 2, 2, -1);
  test("abcde", 1, 2, "abcde", 2, 3, -1);
  test("abcde", 1, 2, "abcde", 2, 4, -1);
  test("abcde", 1, 2, "abcde", 4, 0, 2);
  test("abcde", 1, 2, "abcde", 4, 1, -3);
  test("abcde", 1, 2, "abcde", 4, 2, -3);
  test("abcde", 1, 2, "abcde", 5, 0, 2);
  test("abcde", 1, 2, "abcde", 5, 1, 2);
  test("abcde", 1, 2, "abcde", 6, 0, 0);
  test("abcde", 1, 2, "abcdefghij", 0, 0, 2);
  test("abcde", 1, 2, "abcdefghij", 0, 1, 1);
  test("abcde", 1, 2, "abcdefghij", 0, 5, 1);
  test("abcde", 1, 2, "abcdefghij", 0, 9, 1);
  test("abcde", 1, 2, "abcdefghij", 0, 10, 1);
  test("abcde", 1, 2, "abcdefghij", 0, 11, 1);
  test("abcde", 1, 2, "abcdefghij", 1, 0, 2);
  test("abcde", 1, 2, "abcdefghij", 1, 1, 1);
  test("abcde", 1, 2, "abcdefghij", 1, 4, -2);
  test("abcde", 1, 2, "abcdefghij", 1, 8, -6);
  test("abcde", 1, 2, "abcdefghij", 1, 9, -7);
  test("abcde", 1, 2, "abcdefghij", 1, 10, -7);
  test("abcde", 1, 2, "abcdefghij", 5, 0, 2);
  test("abcde", 1, 2, "abcdefghij", 5, 1, -4);
  test("abcde", 1, 2, "abcdefghij", 5, 2, -4);
  test("abcde", 1, 2, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 2, "abcdefghij", 5, 5, -4);
  test("abcde", 1, 2, "abcdefghij", 5, 6, -4);
  test("abcde", 1, 2, "abcdefghij", 9, 0, 2);
  test("abcde", 1, 2, "abcdefghij", 9, 1, -8);
  test("abcde", 1, 2, "abcdefghij", 9, 2, -8);
  test("abcde", 1, 2, "abcdefghij", 10, 0, 2);
  test("abcde", 1, 2, "abcdefghij", 10, 1, 2);
  test("abcde", 1, 2, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 0, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 0, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 1, 1);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 9, -7);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 18, -16);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 19, -17);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 1, 20, -17);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 0, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 0, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 0, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 20, 1, 2);
  test("abcde", 1, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 3, "", 0, 0, 3);
  test("abcde", 1, 3, "", 0, 1, 3);
  test("abcde", 1, 3, "", 1, 0, 0);
  test("abcde", 1, 3, "abcde", 0, 0, 3);
  test("abcde", 1, 3, "abcde", 0, 1, 1);
  test("abcde", 1, 3, "abcde", 0, 2, 1);
  test("abcde", 1, 3, "abcde", 0, 4, 1);
  test("abcde", 1, 3, "abcde", 0, 5, 1);
  test("abcde", 1, 3, "abcde", 0, 6, 1);
  test("abcde", 1, 3, "abcde", 1, 0, 3);
  test("abcde", 1, 3, "abcde", 1, 1, 2);
  test("abcde", 1, 3, "abcde", 1, 2, 1);
}

void test9() {
  test("abcde", 1, 3, "abcde", 1, 3, 0);
  test("abcde", 1, 3, "abcde", 1, 4, -1);
  test("abcde", 1, 3, "abcde", 1, 5, -1);
  test("abcde", 1, 3, "abcde", 2, 0, 3);
  test("abcde", 1, 3, "abcde", 2, 1, -1);
  test("abcde", 1, 3, "abcde", 2, 2, -1);
  test("abcde", 1, 3, "abcde", 2, 3, -1);
  test("abcde", 1, 3, "abcde", 2, 4, -1);
  test("abcde", 1, 3, "abcde", 4, 0, 3);
  test("abcde", 1, 3, "abcde", 4, 1, -3);
  test("abcde", 1, 3, "abcde", 4, 2, -3);
  test("abcde", 1, 3, "abcde", 5, 0, 3);
  test("abcde", 1, 3, "abcde", 5, 1, 3);
  test("abcde", 1, 3, "abcde", 6, 0, 0);
  test("abcde", 1, 3, "abcdefghij", 0, 0, 3);
  test("abcde", 1, 3, "abcdefghij", 0, 1, 1);
  test("abcde", 1, 3, "abcdefghij", 0, 5, 1);
  test("abcde", 1, 3, "abcdefghij", 0, 9, 1);
  test("abcde", 1, 3, "abcdefghij", 0, 10, 1);
  test("abcde", 1, 3, "abcdefghij", 0, 11, 1);
  test("abcde", 1, 3, "abcdefghij", 1, 0, 3);
  test("abcde", 1, 3, "abcdefghij", 1, 1, 2);
  test("abcde", 1, 3, "abcdefghij", 1, 4, -1);
  test("abcde", 1, 3, "abcdefghij", 1, 8, -5);
  test("abcde", 1, 3, "abcdefghij", 1, 9, -6);
  test("abcde", 1, 3, "abcdefghij", 1, 10, -6);
  test("abcde", 1, 3, "abcdefghij", 5, 0, 3);
  test("abcde", 1, 3, "abcdefghij", 5, 1, -4);
  test("abcde", 1, 3, "abcdefghij", 5, 2, -4);
  test("abcde", 1, 3, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 3, "abcdefghij", 5, 5, -4);
  test("abcde", 1, 3, "abcdefghij", 5, 6, -4);
  test("abcde", 1, 3, "abcdefghij", 9, 0, 3);
  test("abcde", 1, 3, "abcdefghij", 9, 1, -8);
  test("abcde", 1, 3, "abcdefghij", 9, 2, -8);
  test("abcde", 1, 3, "abcdefghij", 10, 0, 3);
  test("abcde", 1, 3, "abcdefghij", 10, 1, 3);
  test("abcde", 1, 3, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 0, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 0, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 1, 2);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 9, -6);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 18, -15);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 19, -16);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 1, 20, -16);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 0, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 0, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 0, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 20, 1, 3);
  test("abcde", 1, 3, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 4, "", 0, 0, 4);
  test("abcde", 1, 4, "", 0, 1, 4);
  test("abcde", 1, 4, "", 1, 0, 0);
  test("abcde", 1, 4, "abcde", 0, 0, 4);
  test("abcde", 1, 4, "abcde", 0, 1, 1);
  test("abcde", 1, 4, "abcde", 0, 2, 1);
  test("abcde", 1, 4, "abcde", 0, 4, 1);
  test("abcde", 1, 4, "abcde", 0, 5, 1);
  test("abcde", 1, 4, "abcde", 0, 6, 1);
  test("abcde", 1, 4, "abcde", 1, 0, 4);
  test("abcde", 1, 4, "abcde", 1, 1, 3);
  test("abcde", 1, 4, "abcde", 1, 2, 2);
  test("abcde", 1, 4, "abcde", 1, 3, 1);
  test("abcde", 1, 4, "abcde", 1, 4, 0);
  test("abcde", 1, 4, "abcde", 1, 5, 0);
  test("abcde", 1, 4, "abcde", 2, 0, 4);
  test("abcde", 1, 4, "abcde", 2, 1, -1);
  test("abcde", 1, 4, "abcde", 2, 2, -1);
  test("abcde", 1, 4, "abcde", 2, 3, -1);
  test("abcde", 1, 4, "abcde", 2, 4, -1);
  test("abcde", 1, 4, "abcde", 4, 0, 4);
  test("abcde", 1, 4, "abcde", 4, 1, -3);
  test("abcde", 1, 4, "abcde", 4, 2, -3);
  test("abcde", 1, 4, "abcde", 5, 0, 4);
  test("abcde", 1, 4, "abcde", 5, 1, 4);
  test("abcde", 1, 4, "abcde", 6, 0, 0);
  test("abcde", 1, 4, "abcdefghij", 0, 0, 4);
  test("abcde", 1, 4, "abcdefghij", 0, 1, 1);
  test("abcde", 1, 4, "abcdefghij", 0, 5, 1);
  test("abcde", 1, 4, "abcdefghij", 0, 9, 1);
  test("abcde", 1, 4, "abcdefghij", 0, 10, 1);
  test("abcde", 1, 4, "abcdefghij", 0, 11, 1);
  test("abcde", 1, 4, "abcdefghij", 1, 0, 4);
  test("abcde", 1, 4, "abcdefghij", 1, 1, 3);
  test("abcde", 1, 4, "abcdefghij", 1, 4, 0);
  test("abcde", 1, 4, "abcdefghij", 1, 8, -4);
  test("abcde", 1, 4, "abcdefghij", 1, 9, -5);
  test("abcde", 1, 4, "abcdefghij", 1, 10, -5);
}

void test10() {
  test("abcde", 1, 4, "abcdefghij", 5, 0, 4);
  test("abcde", 1, 4, "abcdefghij", 5, 1, -4);
  test("abcde", 1, 4, "abcdefghij", 5, 2, -4);
  test("abcde", 1, 4, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 4, "abcdefghij", 5, 5, -4);
  test("abcde", 1, 4, "abcdefghij", 5, 6, -4);
  test("abcde", 1, 4, "abcdefghij", 9, 0, 4);
  test("abcde", 1, 4, "abcdefghij", 9, 1, -8);
  test("abcde", 1, 4, "abcdefghij", 9, 2, -8);
  test("abcde", 1, 4, "abcdefghij", 10, 0, 4);
  test("abcde", 1, 4, "abcdefghij", 10, 1, 4);
  test("abcde", 1, 4, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
  test("abcde", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 1, 5, "", 0, 0, 4);
  test("abcde", 1, 5, "", 0, 1, 4);
  test("abcde", 1, 5, "", 1, 0, 0);
  test("abcde", 1, 5, "abcde", 0, 0, 4);
  test("abcde", 1, 5, "abcde", 0, 1, 1);
  test("abcde", 1, 5, "abcde", 0, 2, 1);
  test("abcde", 1, 5, "abcde", 0, 4, 1);
  test("abcde", 1, 5, "abcde", 0, 5, 1);
  test("abcde", 1, 5, "abcde", 0, 6, 1);
  test("abcde", 1, 5, "abcde", 1, 0, 4);
  test("abcde", 1, 5, "abcde", 1, 1, 3);
  test("abcde", 1, 5, "abcde", 1, 2, 2);
  test("abcde", 1, 5, "abcde", 1, 3, 1);
  test("abcde", 1, 5, "abcde", 1, 4, 0);
  test("abcde", 1, 5, "abcde", 1, 5, 0);
  test("abcde", 1, 5, "abcde", 2, 0, 4);
  test("abcde", 1, 5, "abcde", 2, 1, -1);
  test("abcde", 1, 5, "abcde", 2, 2, -1);
  test("abcde", 1, 5, "abcde", 2, 3, -1);
  test("abcde", 1, 5, "abcde", 2, 4, -1);
  test("abcde", 1, 5, "abcde", 4, 0, 4);
  test("abcde", 1, 5, "abcde", 4, 1, -3);
  test("abcde", 1, 5, "abcde", 4, 2, -3);
  test("abcde", 1, 5, "abcde", 5, 0, 4);
  test("abcde", 1, 5, "abcde", 5, 1, 4);
  test("abcde", 1, 5, "abcde", 6, 0, 0);
  test("abcde", 1, 5, "abcdefghij", 0, 0, 4);
  test("abcde", 1, 5, "abcdefghij", 0, 1, 1);
  test("abcde", 1, 5, "abcdefghij", 0, 5, 1);
  test("abcde", 1, 5, "abcdefghij", 0, 9, 1);
  test("abcde", 1, 5, "abcdefghij", 0, 10, 1);
  test("abcde", 1, 5, "abcdefghij", 0, 11, 1);
  test("abcde", 1, 5, "abcdefghij", 1, 0, 4);
  test("abcde", 1, 5, "abcdefghij", 1, 1, 3);
  test("abcde", 1, 5, "abcdefghij", 1, 4, 0);
  test("abcde", 1, 5, "abcdefghij", 1, 8, -4);
  test("abcde", 1, 5, "abcdefghij", 1, 9, -5);
  test("abcde", 1, 5, "abcdefghij", 1, 10, -5);
  test("abcde", 1, 5, "abcdefghij", 5, 0, 4);
  test("abcde", 1, 5, "abcdefghij", 5, 1, -4);
  test("abcde", 1, 5, "abcdefghij", 5, 2, -4);
  test("abcde", 1, 5, "abcdefghij", 5, 4, -4);
  test("abcde", 1, 5, "abcdefghij", 5, 5, -4);
  test("abcde", 1, 5, "abcdefghij", 5, 6, -4);
  test("abcde", 1, 5, "abcdefghij", 9, 0, 4);
  test("abcde", 1, 5, "abcdefghij", 9, 1, -8);
  test("abcde", 1, 5, "abcdefghij", 9, 2, -8);
  test("abcde", 1, 5, "abcdefghij", 10, 0, 4);
  test("abcde", 1, 5, "abcdefghij", 10, 1, 4);
  test("abcde", 1, 5, "abcdefghij", 11, 0, 0);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 0, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 0, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 1, 3);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 9, -5);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 18, -14);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 19, -15);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 1, 20, -15);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 0, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 1, -9);
}

void test11() {
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 0, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 0, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 20, 1, 4);
  test("abcde", 1, 5, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 2, 0, "", 0, 0, 0);
  test("abcde", 2, 0, "", 0, 1, 0);
  test("abcde", 2, 0, "", 1, 0, 0);
  test("abcde", 2, 0, "abcde", 0, 0, 0);
  test("abcde", 2, 0, "abcde", 0, 1, -1);
  test("abcde", 2, 0, "abcde", 0, 2, -2);
  test("abcde", 2, 0, "abcde", 0, 4, -4);
  test("abcde", 2, 0, "abcde", 0, 5, -5);
  test("abcde", 2, 0, "abcde", 0, 6, -5);
  test("abcde", 2, 0, "abcde", 1, 0, 0);
  test("abcde", 2, 0, "abcde", 1, 1, -1);
  test("abcde", 2, 0, "abcde", 1, 2, -2);
  test("abcde", 2, 0, "abcde", 1, 3, -3);
  test("abcde", 2, 0, "abcde", 1, 4, -4);
  test("abcde", 2, 0, "abcde", 1, 5, -4);
  test("abcde", 2, 0, "abcde", 2, 0, 0);
  test("abcde", 2, 0, "abcde", 2, 1, -1);
  test("abcde", 2, 0, "abcde", 2, 2, -2);
  test("abcde", 2, 0, "abcde", 2, 3, -3);
  test("abcde", 2, 0, "abcde", 2, 4, -3);
  test("abcde", 2, 0, "abcde", 4, 0, 0);
  test("abcde", 2, 0, "abcde", 4, 1, -1);
  test("abcde", 2, 0, "abcde", 4, 2, -1);
  test("abcde", 2, 0, "abcde", 5, 0, 0);
  test("abcde", 2, 0, "abcde", 5, 1, 0);
  test("abcde", 2, 0, "abcde", 6, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 0, 1, -1);
  test("abcde", 2, 0, "abcdefghij", 0, 5, -5);
  test("abcde", 2, 0, "abcdefghij", 0, 9, -9);
  test("abcde", 2, 0, "abcdefghij", 0, 10, -10);
  test("abcde", 2, 0, "abcdefghij", 0, 11, -10);
  test("abcde", 2, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 1, 1, -1);
  test("abcde", 2, 0, "abcdefghij", 1, 4, -4);
  test("abcde", 2, 0, "abcdefghij", 1, 8, -8);
  test("abcde", 2, 0, "abcdefghij", 1, 9, -9);
  test("abcde", 2, 0, "abcdefghij", 1, 10, -9);
  test("abcde", 2, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 5, 1, -1);
  test("abcde", 2, 0, "abcdefghij", 5, 2, -2);
  test("abcde", 2, 0, "abcdefghij", 5, 4, -4);
  test("abcde", 2, 0, "abcdefghij", 5, 5, -5);
  test("abcde", 2, 0, "abcdefghij", 5, 6, -5);
  test("abcde", 2, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 9, 1, -1);
  test("abcde", 2, 0, "abcdefghij", 9, 2, -1);
  test("abcde", 2, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 2, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 2, 0, "abcdefghij", 11, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 2, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 2, 1, "", 0, 0, 1);
  test("abcde", 2, 1, "", 0, 1, 1);
  test("abcde", 2, 1, "", 1, 0, 0);
  test("abcde", 2, 1, "abcde", 0, 0, 1);
  test("abcde", 2, 1, "abcde", 0, 1, 2);
  test("abcde", 2, 1, "abcde", 0, 2, 2);
  test("abcde", 2, 1, "abcde", 0, 4, 2);
  test("abcde", 2, 1, "abcde", 0, 5, 2);
  test("abcde", 2, 1, "abcde", 0, 6, 2);
  test("abcde", 2, 1, "abcde", 1, 0, 1);
  test("abcde", 2, 1, "abcde", 1, 1, 1);
  test("abcde", 2, 1, "abcde", 1, 2, 1);
  test("abcde", 2, 1, "abcde", 1, 3, 1);
  test("abcde", 2, 1, "abcde", 1, 4, 1);
  test("abcde", 2, 1, "abcde", 1, 5, 1);
  test("abcde", 2, 1, "abcde", 2, 0, 1);
}

void test12() {
  test("abcde", 2, 1, "abcde", 2, 1, 0);
  test("abcde", 2, 1, "abcde", 2, 2, -1);
  test("abcde", 2, 1, "abcde", 2, 3, -2);
  test("abcde", 2, 1, "abcde", 2, 4, -2);
  test("abcde", 2, 1, "abcde", 4, 0, 1);
  test("abcde", 2, 1, "abcde", 4, 1, -2);
  test("abcde", 2, 1, "abcde", 4, 2, -2);
  test("abcde", 2, 1, "abcde", 5, 0, 1);
  test("abcde", 2, 1, "abcde", 5, 1, 1);
  test("abcde", 2, 1, "abcde", 6, 0, 0);
  test("abcde", 2, 1, "abcdefghij", 0, 0, 1);
  test("abcde", 2, 1, "abcdefghij", 0, 1, 2);
  test("abcde", 2, 1, "abcdefghij", 0, 5, 2);
  test("abcde", 2, 1, "abcdefghij", 0, 9, 2);
  test("abcde", 2, 1, "abcdefghij", 0, 10, 2);
  test("abcde", 2, 1, "abcdefghij", 0, 11, 2);
  test("abcde", 2, 1, "abcdefghij", 1, 0, 1);
  test("abcde", 2, 1, "abcdefghij", 1, 1, 1);
  test("abcde", 2, 1, "abcdefghij", 1, 4, 1);
  test("abcde", 2, 1, "abcdefghij", 1, 8, 1);
  test("abcde", 2, 1, "abcdefghij", 1, 9, 1);
  test("abcde", 2, 1, "abcdefghij", 1, 10, 1);
  test("abcde", 2, 1, "abcdefghij", 5, 0, 1);
  test("abcde", 2, 1, "abcdefghij", 5, 1, -3);
  test("abcde", 2, 1, "abcdefghij", 5, 2, -3);
  test("abcde", 2, 1, "abcdefghij", 5, 4, -3);
  test("abcde", 2, 1, "abcdefghij", 5, 5, -3);
  test("abcde", 2, 1, "abcdefghij", 5, 6, -3);
  test("abcde", 2, 1, "abcdefghij", 9, 0, 1);
  test("abcde", 2, 1, "abcdefghij", 9, 1, -7);
  test("abcde", 2, 1, "abcdefghij", 9, 2, -7);
  test("abcde", 2, 1, "abcdefghij", 10, 0, 1);
  test("abcde", 2, 1, "abcdefghij", 10, 1, 1);
  test("abcde", 2, 1, "abcdefghij", 11, 0, 0);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 1, 2);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 10, 2);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 19, 2);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 20, 2);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 0, 21, 2);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 1, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 9, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 18, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 19, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 1, 20, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 1, -8);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 5, -8);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 9, -8);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 10, -8);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 10, 11, -8);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 1, -17);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 19, 2, -17);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcde", 2, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 2, 2, "", 0, 0, 2);
  test("abcde", 2, 2, "", 0, 1, 2);
  test("abcde", 2, 2, "", 1, 0, 0);
  test("abcde", 2, 2, "abcde", 0, 0, 2);
  test("abcde", 2, 2, "abcde", 0, 1, 2);
  test("abcde", 2, 2, "abcde", 0, 2, 2);
  test("abcde", 2, 2, "abcde", 0, 4, 2);
  test("abcde", 2, 2, "abcde", 0, 5, 2);
  test("abcde", 2, 2, "abcde", 0, 6, 2);
  test("abcde", 2, 2, "abcde", 1, 0, 2);
  test("abcde", 2, 2, "abcde", 1, 1, 1);
  test("abcde", 2, 2, "abcde", 1, 2, 1);
  test("abcde", 2, 2, "abcde", 1, 3, 1);
  test("abcde", 2, 2, "abcde", 1, 4, 1);
  test("abcde", 2, 2, "abcde", 1, 5, 1);
  test("abcde", 2, 2, "abcde", 2, 0, 2);
  test("abcde", 2, 2, "abcde", 2, 1, 1);
  test("abcde", 2, 2, "abcde", 2, 2, 0);
  test("abcde", 2, 2, "abcde", 2, 3, -1);
  test("abcde", 2, 2, "abcde", 2, 4, -1);
  test("abcde", 2, 2, "abcde", 4, 0, 2);
  test("abcde", 2, 2, "abcde", 4, 1, -2);
  test("abcde", 2, 2, "abcde", 4, 2, -2);
  test("abcde", 2, 2, "abcde", 5, 0, 2);
  test("abcde", 2, 2, "abcde", 5, 1, 2);
  test("abcde", 2, 2, "abcde", 6, 0, 0);
  test("abcde", 2, 2, "abcdefghij", 0, 0, 2);
  test("abcde", 2, 2, "abcdefghij", 0, 1, 2);
  test("abcde", 2, 2, "abcdefghij", 0, 5, 2);
  test("abcde", 2, 2, "abcdefghij", 0, 9, 2);
  test("abcde", 2, 2, "abcdefghij", 0, 10, 2);
  test("abcde", 2, 2, "abcdefghij", 0, 11, 2);
  test("abcde", 2, 2, "abcdefghij", 1, 0, 2);
  test("abcde", 2, 2, "abcdefghij", 1, 1, 1);
  test("abcde", 2, 2, "abcdefghij", 1, 4, 1);
  test("abcde", 2, 2, "abcdefghij", 1, 8, 1);
  test("abcde", 2, 2, "abcdefghij", 1, 9, 1);
  test("abcde", 2, 2, "abcdefghij", 1, 10, 1);
  test("abcde", 2, 2, "abcdefghij", 5, 0, 2);
  test("abcde", 2, 2, "abcdefghij", 5, 1, -3);
  test("abcde", 2, 2, "abcdefghij", 5, 2, -3);
  test("abcde", 2, 2, "abcdefghij", 5, 4, -3);
}

void test13() {
  test("abcde", 2, 2, "abcdefghij", 5, 5, -3);
  test("abcde", 2, 2, "abcdefghij", 5, 6, -3);
  test("abcde", 2, 2, "abcdefghij", 9, 0, 2);
  test("abcde", 2, 2, "abcdefghij", 9, 1, -7);
  test("abcde", 2, 2, "abcdefghij", 9, 2, -7);
  test("abcde", 2, 2, "abcdefghij", 10, 0, 2);
  test("abcde", 2, 2, "abcdefghij", 10, 1, 2);
  test("abcde", 2, 2, "abcdefghij", 11, 0, 0);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 0, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 1, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 10, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 19, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 20, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 0, 21, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 0, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 1, 1);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 9, 1);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 18, 1);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 19, 1);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 1, 20, 1);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 0, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 1, -8);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 5, -8);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 9, -8);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 10, -8);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 10, 11, -8);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 0, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 1, -17);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 19, 2, -17);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 0, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 20, 1, 2);
  test("abcde", 2, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 2, 3, "", 0, 0, 3);
  test("abcde", 2, 3, "", 0, 1, 3);
  test("abcde", 2, 3, "", 1, 0, 0);
  test("abcde", 2, 3, "abcde", 0, 0, 3);
  test("abcde", 2, 3, "abcde", 0, 1, 2);
  test("abcde", 2, 3, "abcde", 0, 2, 2);
  test("abcde", 2, 3, "abcde", 0, 4, 2);
  test("abcde", 2, 3, "abcde", 0, 5, 2);
  test("abcde", 2, 3, "abcde", 0, 6, 2);
  test("abcde", 2, 3, "abcde", 1, 0, 3);
  test("abcde", 2, 3, "abcde", 1, 1, 1);
  test("abcde", 2, 3, "abcde", 1, 2, 1);
  test("abcde", 2, 3, "abcde", 1, 3, 1);
  test("abcde", 2, 3, "abcde", 1, 4, 1);
  test("abcde", 2, 3, "abcde", 1, 5, 1);
  test("abcde", 2, 3, "abcde", 2, 0, 3);
  test("abcde", 2, 3, "abcde", 2, 1, 2);
  test("abcde", 2, 3, "abcde", 2, 2, 1);
  test("abcde", 2, 3, "abcde", 2, 3, 0);
  test("abcde", 2, 3, "abcde", 2, 4, 0);
  test("abcde", 2, 3, "abcde", 4, 0, 3);
  test("abcde", 2, 3, "abcde", 4, 1, -2);
  test("abcde", 2, 3, "abcde", 4, 2, -2);
  test("abcde", 2, 3, "abcde", 5, 0, 3);
  test("abcde", 2, 3, "abcde", 5, 1, 3);
  test("abcde", 2, 3, "abcde", 6, 0, 0);
  test("abcde", 2, 3, "abcdefghij", 0, 0, 3);
  test("abcde", 2, 3, "abcdefghij", 0, 1, 2);
  test("abcde", 2, 3, "abcdefghij", 0, 5, 2);
  test("abcde", 2, 3, "abcdefghij", 0, 9, 2);
  test("abcde", 2, 3, "abcdefghij", 0, 10, 2);
  test("abcde", 2, 3, "abcdefghij", 0, 11, 2);
  test("abcde", 2, 3, "abcdefghij", 1, 0, 3);
  test("abcde", 2, 3, "abcdefghij", 1, 1, 1);
  test("abcde", 2, 3, "abcdefghij", 1, 4, 1);
  test("abcde", 2, 3, "abcdefghij", 1, 8, 1);
  test("abcde", 2, 3, "abcdefghij", 1, 9, 1);
  test("abcde", 2, 3, "abcdefghij", 1, 10, 1);
  test("abcde", 2, 3, "abcdefghij", 5, 0, 3);
  test("abcde", 2, 3, "abcdefghij", 5, 1, -3);
  test("abcde", 2, 3, "abcdefghij", 5, 2, -3);
  test("abcde", 2, 3, "abcdefghij", 5, 4, -3);
  test("abcde", 2, 3, "abcdefghij", 5, 5, -3);
  test("abcde", 2, 3, "abcdefghij", 5, 6, -3);
  test("abcde", 2, 3, "abcdefghij", 9, 0, 3);
  test("abcde", 2, 3, "abcdefghij", 9, 1, -7);
  test("abcde", 2, 3, "abcdefghij", 9, 2, -7);
  test("abcde", 2, 3, "abcdefghij", 10, 0, 3);
  test("abcde", 2, 3, "abcdefghij", 10, 1, 3);
  test("abcde", 2, 3, "abcdefghij", 11, 0, 0);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 0, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 1, 2);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 10, 2);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 19, 2);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 20, 2);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 0, 21, 2);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 0, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 1, 1);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 9, 1);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 18, 1);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 19, 1);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 1, 20, 1);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 0, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 1, -8);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 5, -8);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 9, -8);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 10, -8);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 10, 11, -8);
}

void test14() {
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 0, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 1, -17);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 19, 2, -17);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 0, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 20, 1, 3);
  test("abcde", 2, 3, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 2, 4, "", 0, 0, 3);
  test("abcde", 2, 4, "", 0, 1, 3);
  test("abcde", 2, 4, "", 1, 0, 0);
  test("abcde", 2, 4, "abcde", 0, 0, 3);
  test("abcde", 2, 4, "abcde", 0, 1, 2);
  test("abcde", 2, 4, "abcde", 0, 2, 2);
  test("abcde", 2, 4, "abcde", 0, 4, 2);
  test("abcde", 2, 4, "abcde", 0, 5, 2);
  test("abcde", 2, 4, "abcde", 0, 6, 2);
  test("abcde", 2, 4, "abcde", 1, 0, 3);
  test("abcde", 2, 4, "abcde", 1, 1, 1);
  test("abcde", 2, 4, "abcde", 1, 2, 1);
  test("abcde", 2, 4, "abcde", 1, 3, 1);
  test("abcde", 2, 4, "abcde", 1, 4, 1);
  test("abcde", 2, 4, "abcde", 1, 5, 1);
  test("abcde", 2, 4, "abcde", 2, 0, 3);
  test("abcde", 2, 4, "abcde", 2, 1, 2);
  test("abcde", 2, 4, "abcde", 2, 2, 1);
  test("abcde", 2, 4, "abcde", 2, 3, 0);
  test("abcde", 2, 4, "abcde", 2, 4, 0);
  test("abcde", 2, 4, "abcde", 4, 0, 3);
  test("abcde", 2, 4, "abcde", 4, 1, -2);
  test("abcde", 2, 4, "abcde", 4, 2, -2);
  test("abcde", 2, 4, "abcde", 5, 0, 3);
  test("abcde", 2, 4, "abcde", 5, 1, 3);
  test("abcde", 2, 4, "abcde", 6, 0, 0);
  test("abcde", 2, 4, "abcdefghij", 0, 0, 3);
  test("abcde", 2, 4, "abcdefghij", 0, 1, 2);
  test("abcde", 2, 4, "abcdefghij", 0, 5, 2);
  test("abcde", 2, 4, "abcdefghij", 0, 9, 2);
  test("abcde", 2, 4, "abcdefghij", 0, 10, 2);
  test("abcde", 2, 4, "abcdefghij", 0, 11, 2);
  test("abcde", 2, 4, "abcdefghij", 1, 0, 3);
  test("abcde", 2, 4, "abcdefghij", 1, 1, 1);
  test("abcde", 2, 4, "abcdefghij", 1, 4, 1);
  test("abcde", 2, 4, "abcdefghij", 1, 8, 1);
  test("abcde", 2, 4, "abcdefghij", 1, 9, 1);
  test("abcde", 2, 4, "abcdefghij", 1, 10, 1);
  test("abcde", 2, 4, "abcdefghij", 5, 0, 3);
  test("abcde", 2, 4, "abcdefghij", 5, 1, -3);
  test("abcde", 2, 4, "abcdefghij", 5, 2, -3);
  test("abcde", 2, 4, "abcdefghij", 5, 4, -3);
  test("abcde", 2, 4, "abcdefghij", 5, 5, -3);
  test("abcde", 2, 4, "abcdefghij", 5, 6, -3);
  test("abcde", 2, 4, "abcdefghij", 9, 0, 3);
  test("abcde", 2, 4, "abcdefghij", 9, 1, -7);
  test("abcde", 2, 4, "abcdefghij", 9, 2, -7);
  test("abcde", 2, 4, "abcdefghij", 10, 0, 3);
  test("abcde", 2, 4, "abcdefghij", 10, 1, 3);
  test("abcde", 2, 4, "abcdefghij", 11, 0, 0);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 0, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 1, 2);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 10, 2);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 19, 2);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 20, 2);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 0, 21, 2);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 0, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 1, 1);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 9, 1);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 18, 1);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 19, 1);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 1, 20, 1);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 0, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 1, -8);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 5, -8);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 9, -8);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 10, -8);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 10, 11, -8);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 0, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 1, -17);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 19, 2, -17);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 0, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 20, 1, 3);
  test("abcde", 2, 4, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 4, 0, "", 0, 0, 0);
  test("abcde", 4, 0, "", 0, 1, 0);
  test("abcde", 4, 0, "", 1, 0, 0);
  test("abcde", 4, 0, "abcde", 0, 0, 0);
  test("abcde", 4, 0, "abcde", 0, 1, -1);
  test("abcde", 4, 0, "abcde", 0, 2, -2);
  test("abcde", 4, 0, "abcde", 0, 4, -4);
  test("abcde", 4, 0, "abcde", 0, 5, -5);
  test("abcde", 4, 0, "abcde", 0, 6, -5);
  test("abcde", 4, 0, "abcde", 1, 0, 0);
  test("abcde", 4, 0, "abcde", 1, 1, -1);
  test("abcde", 4, 0, "abcde", 1, 2, -2);
  test("abcde", 4, 0, "abcde", 1, 3, -3);
  test("abcde", 4, 0, "abcde", 1, 4, -4);
  test("abcde", 4, 0, "abcde", 1, 5, -4);
  test("abcde", 4, 0, "abcde", 2, 0, 0);
  test("abcde", 4, 0, "abcde", 2, 1, -1);
  test("abcde", 4, 0, "abcde", 2, 2, -2);
  test("abcde", 4, 0, "abcde", 2, 3, -3);
  test("abcde", 4, 0, "abcde", 2, 4, -3);
}

void test15() {
  test("abcde", 4, 0, "abcde", 4, 0, 0);
  test("abcde", 4, 0, "abcde", 4, 1, -1);
  test("abcde", 4, 0, "abcde", 4, 2, -1);
  test("abcde", 4, 0, "abcde", 5, 0, 0);
  test("abcde", 4, 0, "abcde", 5, 1, 0);
  test("abcde", 4, 0, "abcde", 6, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 0, 1, -1);
  test("abcde", 4, 0, "abcdefghij", 0, 5, -5);
  test("abcde", 4, 0, "abcdefghij", 0, 9, -9);
  test("abcde", 4, 0, "abcdefghij", 0, 10, -10);
  test("abcde", 4, 0, "abcdefghij", 0, 11, -10);
  test("abcde", 4, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 1, 1, -1);
  test("abcde", 4, 0, "abcdefghij", 1, 4, -4);
  test("abcde", 4, 0, "abcdefghij", 1, 8, -8);
  test("abcde", 4, 0, "abcdefghij", 1, 9, -9);
  test("abcde", 4, 0, "abcdefghij", 1, 10, -9);
  test("abcde", 4, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 5, 1, -1);
  test("abcde", 4, 0, "abcdefghij", 5, 2, -2);
  test("abcde", 4, 0, "abcdefghij", 5, 4, -4);
  test("abcde", 4, 0, "abcdefghij", 5, 5, -5);
  test("abcde", 4, 0, "abcdefghij", 5, 6, -5);
  test("abcde", 4, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 9, 1, -1);
  test("abcde", 4, 0, "abcdefghij", 9, 2, -1);
  test("abcde", 4, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 4, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 4, 0, "abcdefghij", 11, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 4, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 4, 1, "", 0, 0, 1);
  test("abcde", 4, 1, "", 0, 1, 1);
  test("abcde", 4, 1, "", 1, 0, 0);
  test("abcde", 4, 1, "abcde", 0, 0, 1);
  test("abcde", 4, 1, "abcde", 0, 1, 4);
  test("abcde", 4, 1, "abcde", 0, 2, 4);
  test("abcde", 4, 1, "abcde", 0, 4, 4);
  test("abcde", 4, 1, "abcde", 0, 5, 4);
  test("abcde", 4, 1, "abcde", 0, 6, 4);
  test("abcde", 4, 1, "abcde", 1, 0, 1);
  test("abcde", 4, 1, "abcde", 1, 1, 3);
  test("abcde", 4, 1, "abcde", 1, 2, 3);
  test("abcde", 4, 1, "abcde", 1, 3, 3);
  test("abcde", 4, 1, "abcde", 1, 4, 3);
  test("abcde", 4, 1, "abcde", 1, 5, 3);
  test("abcde", 4, 1, "abcde", 2, 0, 1);
  test("abcde", 4, 1, "abcde", 2, 1, 2);
  test("abcde", 4, 1, "abcde", 2, 2, 2);
  test("abcde", 4, 1, "abcde", 2, 3, 2);
  test("abcde", 4, 1, "abcde", 2, 4, 2);
  test("abcde", 4, 1, "abcde", 4, 0, 1);
  test("abcde", 4, 1, "abcde", 4, 1, 0);
  test("abcde", 4, 1, "abcde", 4, 2, 0);
  test("abcde", 4, 1, "abcde", 5, 0, 1);
  test("abcde", 4, 1, "abcde", 5, 1, 1);
  test("abcde", 4, 1, "abcde", 6, 0, 0);
  test("abcde", 4, 1, "abcdefghij", 0, 0, 1);
  test("abcde", 4, 1, "abcdefghij", 0, 1, 4);
  test("abcde", 4, 1, "abcdefghij", 0, 5, 4);
  test("abcde", 4, 1, "abcdefghij", 0, 9, 4);
  test("abcde", 4, 1, "abcdefghij", 0, 10, 4);
  test("abcde", 4, 1, "abcdefghij", 0, 11, 4);
  test("abcde", 4, 1, "abcdefghij", 1, 0, 1);
  test("abcde", 4, 1, "abcdefghij", 1, 1, 3);
  test("abcde", 4, 1, "abcdefghij", 1, 4, 3);
  test("abcde", 4, 1, "abcdefghij", 1, 8, 3);
  test("abcde", 4, 1, "abcdefghij", 1, 9, 3);
  test("abcde", 4, 1, "abcdefghij", 1, 10, 3);
  test("abcde", 4, 1, "abcdefghij", 5, 0, 1);
  test("abcde", 4, 1, "abcdefghij", 5, 1, -1);
  test("abcde", 4, 1, "abcdefghij", 5, 2, -1);
  test("abcde", 4, 1, "abcdefghij", 5, 4, -1);
  test("abcde", 4, 1, "abcdefghij", 5, 5, -1);
  test("abcde", 4, 1, "abcdefghij", 5, 6, -1);
  test("abcde", 4, 1, "abcdefghij", 9, 0, 1);
  test("abcde", 4, 1, "abcdefghij", 9, 1, -5);
}

void test16() {
  test("abcde", 4, 1, "abcdefghij", 9, 2, -5);
  test("abcde", 4, 1, "abcdefghij", 10, 0, 1);
  test("abcde", 4, 1, "abcdefghij", 10, 1, 1);
  test("abcde", 4, 1, "abcdefghij", 11, 0, 0);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 1, 4);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 10, 4);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 19, 4);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 20, 4);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 0, 21, 4);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 1, 3);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 9, 3);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 18, 3);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 19, 3);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 1, 20, 3);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 1, -6);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 5, -6);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 9, -6);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 10, -6);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 10, 11, -6);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 1, -15);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 19, 2, -15);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcde", 4, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 4, 2, "", 0, 0, 1);
  test("abcde", 4, 2, "", 0, 1, 1);
  test("abcde", 4, 2, "", 1, 0, 0);
  test("abcde", 4, 2, "abcde", 0, 0, 1);
  test("abcde", 4, 2, "abcde", 0, 1, 4);
  test("abcde", 4, 2, "abcde", 0, 2, 4);
  test("abcde", 4, 2, "abcde", 0, 4, 4);
  test("abcde", 4, 2, "abcde", 0, 5, 4);
  test("abcde", 4, 2, "abcde", 0, 6, 4);
  test("abcde", 4, 2, "abcde", 1, 0, 1);
  test("abcde", 4, 2, "abcde", 1, 1, 3);
  test("abcde", 4, 2, "abcde", 1, 2, 3);
  test("abcde", 4, 2, "abcde", 1, 3, 3);
  test("abcde", 4, 2, "abcde", 1, 4, 3);
  test("abcde", 4, 2, "abcde", 1, 5, 3);
  test("abcde", 4, 2, "abcde", 2, 0, 1);
  test("abcde", 4, 2, "abcde", 2, 1, 2);
  test("abcde", 4, 2, "abcde", 2, 2, 2);
  test("abcde", 4, 2, "abcde", 2, 3, 2);
  test("abcde", 4, 2, "abcde", 2, 4, 2);
  test("abcde", 4, 2, "abcde", 4, 0, 1);
  test("abcde", 4, 2, "abcde", 4, 1, 0);
  test("abcde", 4, 2, "abcde", 4, 2, 0);
  test("abcde", 4, 2, "abcde", 5, 0, 1);
  test("abcde", 4, 2, "abcde", 5, 1, 1);
  test("abcde", 4, 2, "abcde", 6, 0, 0);
  test("abcde", 4, 2, "abcdefghij", 0, 0, 1);
  test("abcde", 4, 2, "abcdefghij", 0, 1, 4);
  test("abcde", 4, 2, "abcdefghij", 0, 5, 4);
  test("abcde", 4, 2, "abcdefghij", 0, 9, 4);
  test("abcde", 4, 2, "abcdefghij", 0, 10, 4);
  test("abcde", 4, 2, "abcdefghij", 0, 11, 4);
  test("abcde", 4, 2, "abcdefghij", 1, 0, 1);
  test("abcde", 4, 2, "abcdefghij", 1, 1, 3);
  test("abcde", 4, 2, "abcdefghij", 1, 4, 3);
  test("abcde", 4, 2, "abcdefghij", 1, 8, 3);
  test("abcde", 4, 2, "abcdefghij", 1, 9, 3);
  test("abcde", 4, 2, "abcdefghij", 1, 10, 3);
  test("abcde", 4, 2, "abcdefghij", 5, 0, 1);
  test("abcde", 4, 2, "abcdefghij", 5, 1, -1);
  test("abcde", 4, 2, "abcdefghij", 5, 2, -1);
  test("abcde", 4, 2, "abcdefghij", 5, 4, -1);
  test("abcde", 4, 2, "abcdefghij", 5, 5, -1);
  test("abcde", 4, 2, "abcdefghij", 5, 6, -1);
  test("abcde", 4, 2, "abcdefghij", 9, 0, 1);
  test("abcde", 4, 2, "abcdefghij", 9, 1, -5);
  test("abcde", 4, 2, "abcdefghij", 9, 2, -5);
  test("abcde", 4, 2, "abcdefghij", 10, 0, 1);
  test("abcde", 4, 2, "abcdefghij", 10, 1, 1);
  test("abcde", 4, 2, "abcdefghij", 11, 0, 0);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 1, 4);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 10, 4);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 19, 4);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 20, 4);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 0, 21, 4);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 1, 3);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 9, 3);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 18, 3);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 19, 3);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 1, 20, 3);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 1, -6);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 5, -6);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 9, -6);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 10, -6);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 10, 11, -6);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 1, -15);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 19, 2, -15);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 0, 1);
}

void test17() {
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcde", 4, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 5, 0, "", 0, 0, 0);
  test("abcde", 5, 0, "", 0, 1, 0);
  test("abcde", 5, 0, "", 1, 0, 0);
  test("abcde", 5, 0, "abcde", 0, 0, 0);
  test("abcde", 5, 0, "abcde", 0, 1, -1);
  test("abcde", 5, 0, "abcde", 0, 2, -2);
  test("abcde", 5, 0, "abcde", 0, 4, -4);
  test("abcde", 5, 0, "abcde", 0, 5, -5);
  test("abcde", 5, 0, "abcde", 0, 6, -5);
  test("abcde", 5, 0, "abcde", 1, 0, 0);
  test("abcde", 5, 0, "abcde", 1, 1, -1);
  test("abcde", 5, 0, "abcde", 1, 2, -2);
  test("abcde", 5, 0, "abcde", 1, 3, -3);
  test("abcde", 5, 0, "abcde", 1, 4, -4);
  test("abcde", 5, 0, "abcde", 1, 5, -4);
  test("abcde", 5, 0, "abcde", 2, 0, 0);
  test("abcde", 5, 0, "abcde", 2, 1, -1);
  test("abcde", 5, 0, "abcde", 2, 2, -2);
  test("abcde", 5, 0, "abcde", 2, 3, -3);
  test("abcde", 5, 0, "abcde", 2, 4, -3);
  test("abcde", 5, 0, "abcde", 4, 0, 0);
  test("abcde", 5, 0, "abcde", 4, 1, -1);
  test("abcde", 5, 0, "abcde", 4, 2, -1);
  test("abcde", 5, 0, "abcde", 5, 0, 0);
  test("abcde", 5, 0, "abcde", 5, 1, 0);
  test("abcde", 5, 0, "abcde", 6, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 0, 1, -1);
  test("abcde", 5, 0, "abcdefghij", 0, 5, -5);
  test("abcde", 5, 0, "abcdefghij", 0, 9, -9);
  test("abcde", 5, 0, "abcdefghij", 0, 10, -10);
  test("abcde", 5, 0, "abcdefghij", 0, 11, -10);
  test("abcde", 5, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 1, 1, -1);
  test("abcde", 5, 0, "abcdefghij", 1, 4, -4);
  test("abcde", 5, 0, "abcdefghij", 1, 8, -8);
  test("abcde", 5, 0, "abcdefghij", 1, 9, -9);
  test("abcde", 5, 0, "abcdefghij", 1, 10, -9);
  test("abcde", 5, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 5, 1, -1);
  test("abcde", 5, 0, "abcdefghij", 5, 2, -2);
  test("abcde", 5, 0, "abcdefghij", 5, 4, -4);
  test("abcde", 5, 0, "abcdefghij", 5, 5, -5);
  test("abcde", 5, 0, "abcdefghij", 5, 6, -5);
  test("abcde", 5, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 9, 1, -1);
  test("abcde", 5, 0, "abcdefghij", 9, 2, -1);
  test("abcde", 5, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 5, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 5, 0, "abcdefghij", 11, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 5, 1, "", 0, 0, 0);
  test("abcde", 5, 1, "", 0, 1, 0);
  test("abcde", 5, 1, "", 1, 0, 0);
  test("abcde", 5, 1, "abcde", 0, 0, 0);
  test("abcde", 5, 1, "abcde", 0, 1, -1);
  test("abcde", 5, 1, "abcde", 0, 2, -2);
  test("abcde", 5, 1, "abcde", 0, 4, -4);
  test("abcde", 5, 1, "abcde", 0, 5, -5);
  test("abcde", 5, 1, "abcde", 0, 6, -5);
  test("abcde", 5, 1, "abcde", 1, 0, 0);
  test("abcde", 5, 1, "abcde", 1, 1, -1);
  test("abcde", 5, 1, "abcde", 1, 2, -2);
  test("abcde", 5, 1, "abcde", 1, 3, -3);
  test("abcde", 5, 1, "abcde", 1, 4, -4);
  test("abcde", 5, 1, "abcde", 1, 5, -4);
  test("abcde", 5, 1, "abcde", 2, 0, 0);
  test("abcde", 5, 1, "abcde", 2, 1, -1);
  test("abcde", 5, 1, "abcde", 2, 2, -2);
  test("abcde", 5, 1, "abcde", 2, 3, -3);
  test("abcde", 5, 1, "abcde", 2, 4, -3);
  test("abcde", 5, 1, "abcde", 4, 0, 0);
  test("abcde", 5, 1, "abcde", 4, 1, -1);
  test("abcde", 5, 1, "abcde", 4, 2, -1);
  test("abcde", 5, 1, "abcde", 5, 0, 0);
}

void test18() {
  test("abcde", 5, 1, "abcde", 5, 1, 0);
  test("abcde", 5, 1, "abcde", 6, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 0, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 0, 1, -1);
  test("abcde", 5, 1, "abcdefghij", 0, 5, -5);
  test("abcde", 5, 1, "abcdefghij", 0, 9, -9);
  test("abcde", 5, 1, "abcdefghij", 0, 10, -10);
  test("abcde", 5, 1, "abcdefghij", 0, 11, -10);
  test("abcde", 5, 1, "abcdefghij", 1, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 1, 1, -1);
  test("abcde", 5, 1, "abcdefghij", 1, 4, -4);
  test("abcde", 5, 1, "abcdefghij", 1, 8, -8);
  test("abcde", 5, 1, "abcdefghij", 1, 9, -9);
  test("abcde", 5, 1, "abcdefghij", 1, 10, -9);
  test("abcde", 5, 1, "abcdefghij", 5, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 5, 1, -1);
  test("abcde", 5, 1, "abcdefghij", 5, 2, -2);
  test("abcde", 5, 1, "abcdefghij", 5, 4, -4);
  test("abcde", 5, 1, "abcdefghij", 5, 5, -5);
  test("abcde", 5, 1, "abcdefghij", 5, 6, -5);
  test("abcde", 5, 1, "abcdefghij", 9, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 9, 1, -1);
  test("abcde", 5, 1, "abcdefghij", 9, 2, -1);
  test("abcde", 5, 1, "abcdefghij", 10, 0, 0);
  test("abcde", 5, 1, "abcdefghij", 10, 1, 0);
  test("abcde", 5, 1, "abcdefghij", 11, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcde", 6, 0, "", 0, 0, 0);
  test("abcde", 6, 0, "", 0, 1, 0);
  test("abcde", 6, 0, "", 1, 0, 0);
  test("abcde", 6, 0, "abcde", 0, 0, 0);
  test("abcde", 6, 0, "abcde", 0, 1, 0);
  test("abcde", 6, 0, "abcde", 0, 2, 0);
  test("abcde", 6, 0, "abcde", 0, 4, 0);
  test("abcde", 6, 0, "abcde", 0, 5, 0);
  test("abcde", 6, 0, "abcde", 0, 6, 0);
  test("abcde", 6, 0, "abcde", 1, 0, 0);
  test("abcde", 6, 0, "abcde", 1, 1, 0);
  test("abcde", 6, 0, "abcde", 1, 2, 0);
  test("abcde", 6, 0, "abcde", 1, 3, 0);
  test("abcde", 6, 0, "abcde", 1, 4, 0);
  test("abcde", 6, 0, "abcde", 1, 5, 0);
  test("abcde", 6, 0, "abcde", 2, 0, 0);
  test("abcde", 6, 0, "abcde", 2, 1, 0);
  test("abcde", 6, 0, "abcde", 2, 2, 0);
  test("abcde", 6, 0, "abcde", 2, 3, 0);
  test("abcde", 6, 0, "abcde", 2, 4, 0);
  test("abcde", 6, 0, "abcde", 4, 0, 0);
  test("abcde", 6, 0, "abcde", 4, 1, 0);
  test("abcde", 6, 0, "abcde", 4, 2, 0);
  test("abcde", 6, 0, "abcde", 5, 0, 0);
  test("abcde", 6, 0, "abcde", 5, 1, 0);
  test("abcde", 6, 0, "abcde", 6, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 1, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 5, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 9, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 10, 0);
  test("abcde", 6, 0, "abcdefghij", 0, 11, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 1, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 4, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 8, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 9, 0);
  test("abcde", 6, 0, "abcdefghij", 1, 10, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 1, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 2, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 4, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 5, 0);
  test("abcde", 6, 0, "abcdefghij", 5, 6, 0);
  test("abcde", 6, 0, "abcdefghij", 9, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 9, 1, 0);
  test("abcde", 6, 0, "abcdefghij", 9, 2, 0);
  test("abcde", 6, 0, "abcdefghij", 10, 0, 0);
  test("abcde", 6, 0, "abcdefghij", 10, 1, 0);
  test("abcde", 6, 0, "abcdefghij", 11, 0, 0);
}

void test19() {
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 19, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 20, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 0, 21, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 1, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 18, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 19, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 1, 20, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 1, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 5, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 9, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 10, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 10, 11, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 1, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 19, 2, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcde", 6, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 0, "", 0, 0, 0);
  test("abcdefghij", 0, 0, "", 0, 1, 0);
  test("abcdefghij", 0, 0, "", 1, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 0, 1, -1);
  test("abcdefghij", 0, 0, "abcde", 0, 2, -2);
  test("abcdefghij", 0, 0, "abcde", 0, 4, -4);
  test("abcdefghij", 0, 0, "abcde", 0, 5, -5);
  test("abcdefghij", 0, 0, "abcde", 0, 6, -5);
  test("abcdefghij", 0, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 0, "abcde", 1, 2, -2);
  test("abcdefghij", 0, 0, "abcde", 1, 3, -3);
  test("abcdefghij", 0, 0, "abcde", 1, 4, -4);
  test("abcdefghij", 0, 0, "abcde", 1, 5, -4);
  test("abcdefghij", 0, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 2, 1, -1);
  test("abcdefghij", 0, 0, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 0, "abcde", 2, 3, -3);
  test("abcdefghij", 0, 0, "abcde", 2, 4, -3);
  test("abcdefghij", 0, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 4, 1, -1);
  test("abcdefghij", 0, 0, "abcde", 4, 2, -1);
  test("abcdefghij", 0, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 0, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 0, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 0, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 0, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 0, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 0, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 1, "", 0, 0, 1);
  test("abcdefghij", 0, 1, "", 0, 1, 1);
}

void test20() {
  test("abcdefghij", 0, 1, "", 1, 0, 0);
  test("abcdefghij", 0, 1, "abcde", 0, 0, 1);
  test("abcdefghij", 0, 1, "abcde", 0, 1, 0);
  test("abcdefghij", 0, 1, "abcde", 0, 2, -1);
  test("abcdefghij", 0, 1, "abcde", 0, 4, -3);
  test("abcdefghij", 0, 1, "abcde", 0, 5, -4);
  test("abcdefghij", 0, 1, "abcde", 0, 6, -4);
  test("abcdefghij", 0, 1, "abcde", 1, 0, 1);
  test("abcdefghij", 0, 1, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 1, "abcde", 1, 2, -1);
  test("abcdefghij", 0, 1, "abcde", 1, 3, -1);
  test("abcdefghij", 0, 1, "abcde", 1, 4, -1);
  test("abcdefghij", 0, 1, "abcde", 1, 5, -1);
  test("abcdefghij", 0, 1, "abcde", 2, 0, 1);
  test("abcdefghij", 0, 1, "abcde", 2, 1, -2);
  test("abcdefghij", 0, 1, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 1, "abcde", 2, 3, -2);
  test("abcdefghij", 0, 1, "abcde", 2, 4, -2);
  test("abcdefghij", 0, 1, "abcde", 4, 0, 1);
  test("abcdefghij", 0, 1, "abcde", 4, 1, -4);
  test("abcdefghij", 0, 1, "abcde", 4, 2, -4);
  test("abcdefghij", 0, 1, "abcde", 5, 0, 1);
  test("abcdefghij", 0, 1, "abcde", 5, 1, 1);
  test("abcdefghij", 0, 1, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 1, 0);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 5, -4);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 9, -8);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 10, -9);
  test("abcdefghij", 0, 1, "abcdefghij", 0, 11, -9);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 4, -1);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 8, -1);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 0, 1, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 1, -5);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 2, -5);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 4, -5);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 1, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 9, 1, -9);
  test("abcdefghij", 0, 1, "abcdefghij", 9, 2, -9);
  test("abcdefghij", 0, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghij", 0, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghij", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 5, "", 0, 0, 5);
  test("abcdefghij", 0, 5, "", 0, 1, 5);
  test("abcdefghij", 0, 5, "", 1, 0, 0);
  test("abcdefghij", 0, 5, "abcde", 0, 0, 5);
  test("abcdefghij", 0, 5, "abcde", 0, 1, 4);
  test("abcdefghij", 0, 5, "abcde", 0, 2, 3);
  test("abcdefghij", 0, 5, "abcde", 0, 4, 1);
  test("abcdefghij", 0, 5, "abcde", 0, 5, 0);
  test("abcdefghij", 0, 5, "abcde", 0, 6, 0);
  test("abcdefghij", 0, 5, "abcde", 1, 0, 5);
  test("abcdefghij", 0, 5, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 5, "abcde", 1, 2, -1);
  test("abcdefghij", 0, 5, "abcde", 1, 3, -1);
  test("abcdefghij", 0, 5, "abcde", 1, 4, -1);
  test("abcdefghij", 0, 5, "abcde", 1, 5, -1);
  test("abcdefghij", 0, 5, "abcde", 2, 0, 5);
  test("abcdefghij", 0, 5, "abcde", 2, 1, -2);
  test("abcdefghij", 0, 5, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 5, "abcde", 2, 3, -2);
  test("abcdefghij", 0, 5, "abcde", 2, 4, -2);
  test("abcdefghij", 0, 5, "abcde", 4, 0, 5);
  test("abcdefghij", 0, 5, "abcde", 4, 1, -4);
  test("abcdefghij", 0, 5, "abcde", 4, 2, -4);
  test("abcdefghij", 0, 5, "abcde", 5, 0, 5);
  test("abcdefghij", 0, 5, "abcde", 5, 1, 5);
  test("abcdefghij", 0, 5, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 5, "abcdefghij", 0, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 0, 1, 4);
}

void test21() {
  test("abcdefghij", 0, 5, "abcdefghij", 0, 5, 0);
  test("abcdefghij", 0, 5, "abcdefghij", 0, 9, -4);
  test("abcdefghij", 0, 5, "abcdefghij", 0, 10, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 0, 11, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 4, -1);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 8, -1);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 0, 5, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 1, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 2, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 4, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 5, "abcdefghij", 9, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 9, 1, -9);
  test("abcdefghij", 0, 5, "abcdefghij", 9, 2, -9);
  test("abcdefghij", 0, 5, "abcdefghij", 10, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 10, 1, 5);
  test("abcdefghij", 0, 5, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 1, 4);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 10, -5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 19, -14);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 20, -15);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 0, 21, -15);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcdefghij", 0, 5, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 9, "", 0, 0, 9);
  test("abcdefghij", 0, 9, "", 0, 1, 9);
  test("abcdefghij", 0, 9, "", 1, 0, 0);
  test("abcdefghij", 0, 9, "abcde", 0, 0, 9);
  test("abcdefghij", 0, 9, "abcde", 0, 1, 8);
  test("abcdefghij", 0, 9, "abcde", 0, 2, 7);
  test("abcdefghij", 0, 9, "abcde", 0, 4, 5);
  test("abcdefghij", 0, 9, "abcde", 0, 5, 4);
  test("abcdefghij", 0, 9, "abcde", 0, 6, 4);
  test("abcdefghij", 0, 9, "abcde", 1, 0, 9);
  test("abcdefghij", 0, 9, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 9, "abcde", 1, 2, -1);
  test("abcdefghij", 0, 9, "abcde", 1, 3, -1);
  test("abcdefghij", 0, 9, "abcde", 1, 4, -1);
  test("abcdefghij", 0, 9, "abcde", 1, 5, -1);
  test("abcdefghij", 0, 9, "abcde", 2, 0, 9);
  test("abcdefghij", 0, 9, "abcde", 2, 1, -2);
  test("abcdefghij", 0, 9, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 9, "abcde", 2, 3, -2);
  test("abcdefghij", 0, 9, "abcde", 2, 4, -2);
  test("abcdefghij", 0, 9, "abcde", 4, 0, 9);
  test("abcdefghij", 0, 9, "abcde", 4, 1, -4);
  test("abcdefghij", 0, 9, "abcde", 4, 2, -4);
  test("abcdefghij", 0, 9, "abcde", 5, 0, 9);
  test("abcdefghij", 0, 9, "abcde", 5, 1, 9);
  test("abcdefghij", 0, 9, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 1, 8);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 5, 4);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 9, 0);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 10, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 0, 11, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 4, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 8, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 1, -5);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 2, -5);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 4, -5);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 9, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 9, "abcdefghij", 9, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 9, 1, -9);
  test("abcdefghij", 0, 9, "abcdefghij", 9, 2, -9);
  test("abcdefghij", 0, 9, "abcdefghij", 10, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 10, 1, 9);
  test("abcdefghij", 0, 9, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 1, 8);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 10, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 19, -10);
}

void test22() {
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 20, -11);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 0, 21, -11);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 0, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 20, 1, 9);
  test("abcdefghij", 0, 9, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 10, "", 0, 0, 10);
  test("abcdefghij", 0, 10, "", 0, 1, 10);
  test("abcdefghij", 0, 10, "", 1, 0, 0);
  test("abcdefghij", 0, 10, "abcde", 0, 0, 10);
  test("abcdefghij", 0, 10, "abcde", 0, 1, 9);
  test("abcdefghij", 0, 10, "abcde", 0, 2, 8);
  test("abcdefghij", 0, 10, "abcde", 0, 4, 6);
  test("abcdefghij", 0, 10, "abcde", 0, 5, 5);
  test("abcdefghij", 0, 10, "abcde", 0, 6, 5);
  test("abcdefghij", 0, 10, "abcde", 1, 0, 10);
  test("abcdefghij", 0, 10, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 10, "abcde", 1, 2, -1);
  test("abcdefghij", 0, 10, "abcde", 1, 3, -1);
  test("abcdefghij", 0, 10, "abcde", 1, 4, -1);
  test("abcdefghij", 0, 10, "abcde", 1, 5, -1);
  test("abcdefghij", 0, 10, "abcde", 2, 0, 10);
  test("abcdefghij", 0, 10, "abcde", 2, 1, -2);
  test("abcdefghij", 0, 10, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 10, "abcde", 2, 3, -2);
  test("abcdefghij", 0, 10, "abcde", 2, 4, -2);
  test("abcdefghij", 0, 10, "abcde", 4, 0, 10);
  test("abcdefghij", 0, 10, "abcde", 4, 1, -4);
  test("abcdefghij", 0, 10, "abcde", 4, 2, -4);
  test("abcdefghij", 0, 10, "abcde", 5, 0, 10);
  test("abcdefghij", 0, 10, "abcde", 5, 1, 10);
  test("abcdefghij", 0, 10, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 1, 9);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 10, 0);
  test("abcdefghij", 0, 10, "abcdefghij", 0, 11, 0);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 4, -1);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 8, -1);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 0, 10, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 1, -5);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 2, -5);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 4, -5);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 10, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 10, "abcdefghij", 9, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 9, 1, -9);
  test("abcdefghij", 0, 10, "abcdefghij", 9, 2, -9);
  test("abcdefghij", 0, 10, "abcdefghij", 10, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 10, 1, 10);
  test("abcdefghij", 0, 10, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
  test("abcdefghij", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 0, 11, "", 0, 0, 10);
  test("abcdefghij", 0, 11, "", 0, 1, 10);
  test("abcdefghij", 0, 11, "", 1, 0, 0);
  test("abcdefghij", 0, 11, "abcde", 0, 0, 10);
  test("abcdefghij", 0, 11, "abcde", 0, 1, 9);
  test("abcdefghij", 0, 11, "abcde", 0, 2, 8);
}

void test23() {
  test("abcdefghij", 0, 11, "abcde", 0, 4, 6);
  test("abcdefghij", 0, 11, "abcde", 0, 5, 5);
  test("abcdefghij", 0, 11, "abcde", 0, 6, 5);
  test("abcdefghij", 0, 11, "abcde", 1, 0, 10);
  test("abcdefghij", 0, 11, "abcde", 1, 1, -1);
  test("abcdefghij", 0, 11, "abcde", 1, 2, -1);
  test("abcdefghij", 0, 11, "abcde", 1, 3, -1);
  test("abcdefghij", 0, 11, "abcde", 1, 4, -1);
  test("abcdefghij", 0, 11, "abcde", 1, 5, -1);
  test("abcdefghij", 0, 11, "abcde", 2, 0, 10);
  test("abcdefghij", 0, 11, "abcde", 2, 1, -2);
  test("abcdefghij", 0, 11, "abcde", 2, 2, -2);
  test("abcdefghij", 0, 11, "abcde", 2, 3, -2);
  test("abcdefghij", 0, 11, "abcde", 2, 4, -2);
  test("abcdefghij", 0, 11, "abcde", 4, 0, 10);
  test("abcdefghij", 0, 11, "abcde", 4, 1, -4);
  test("abcdefghij", 0, 11, "abcde", 4, 2, -4);
  test("abcdefghij", 0, 11, "abcde", 5, 0, 10);
  test("abcdefghij", 0, 11, "abcde", 5, 1, 10);
  test("abcdefghij", 0, 11, "abcde", 6, 0, 0);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 1, 9);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 10, 0);
  test("abcdefghij", 0, 11, "abcdefghij", 0, 11, 0);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 4, -1);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 8, -1);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 0, 11, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 1, -5);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 2, -5);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 4, -5);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 0, 11, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 0, 11, "abcdefghij", 9, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 9, 1, -9);
  test("abcdefghij", 0, 11, "abcdefghij", 9, 2, -9);
  test("abcdefghij", 0, 11, "abcdefghij", 10, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 10, 1, 10);
  test("abcdefghij", 0, 11, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 1, 9);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 19, -9);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 20, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 0, 21, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 0, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 20, 1, 10);
  test("abcdefghij", 0, 11, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 0, "", 0, 0, 0);
  test("abcdefghij", 1, 0, "", 0, 1, 0);
  test("abcdefghij", 1, 0, "", 1, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 0, 1, -1);
  test("abcdefghij", 1, 0, "abcde", 0, 2, -2);
  test("abcdefghij", 1, 0, "abcde", 0, 4, -4);
  test("abcdefghij", 1, 0, "abcde", 0, 5, -5);
  test("abcdefghij", 1, 0, "abcde", 0, 6, -5);
  test("abcdefghij", 1, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 1, 1, -1);
  test("abcdefghij", 1, 0, "abcde", 1, 2, -2);
  test("abcdefghij", 1, 0, "abcde", 1, 3, -3);
  test("abcdefghij", 1, 0, "abcde", 1, 4, -4);
  test("abcdefghij", 1, 0, "abcde", 1, 5, -4);
  test("abcdefghij", 1, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 0, "abcde", 2, 2, -2);
  test("abcdefghij", 1, 0, "abcde", 2, 3, -3);
  test("abcdefghij", 1, 0, "abcde", 2, 4, -3);
  test("abcdefghij", 1, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 4, 1, -1);
  test("abcdefghij", 1, 0, "abcde", 4, 2, -1);
  test("abcdefghij", 1, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 1, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 1, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 1, 0, "abcdefghij", 0, 11, -10);
}

void test24() {
  test("abcdefghij", 1, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 1, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 1, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 1, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 1, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 1, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 1, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 1, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 1, "", 0, 0, 1);
  test("abcdefghij", 1, 1, "", 0, 1, 1);
  test("abcdefghij", 1, 1, "", 1, 0, 0);
  test("abcdefghij", 1, 1, "abcde", 0, 0, 1);
  test("abcdefghij", 1, 1, "abcde", 0, 1, 1);
  test("abcdefghij", 1, 1, "abcde", 0, 2, 1);
  test("abcdefghij", 1, 1, "abcde", 0, 4, 1);
  test("abcdefghij", 1, 1, "abcde", 0, 5, 1);
  test("abcdefghij", 1, 1, "abcde", 0, 6, 1);
  test("abcdefghij", 1, 1, "abcde", 1, 0, 1);
  test("abcdefghij", 1, 1, "abcde", 1, 1, 0);
  test("abcdefghij", 1, 1, "abcde", 1, 2, -1);
  test("abcdefghij", 1, 1, "abcde", 1, 3, -2);
  test("abcdefghij", 1, 1, "abcde", 1, 4, -3);
  test("abcdefghij", 1, 1, "abcde", 1, 5, -3);
  test("abcdefghij", 1, 1, "abcde", 2, 0, 1);
  test("abcdefghij", 1, 1, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 1, "abcde", 2, 2, -1);
  test("abcdefghij", 1, 1, "abcde", 2, 3, -1);
  test("abcdefghij", 1, 1, "abcde", 2, 4, -1);
  test("abcdefghij", 1, 1, "abcde", 4, 0, 1);
  test("abcdefghij", 1, 1, "abcde", 4, 1, -3);
  test("abcdefghij", 1, 1, "abcde", 4, 2, -3);
  test("abcdefghij", 1, 1, "abcde", 5, 0, 1);
  test("abcdefghij", 1, 1, "abcde", 5, 1, 1);
  test("abcdefghij", 1, 1, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 1, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 5, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 10, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 0, 11, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 1, 0);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 4, -3);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 8, -7);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 9, -8);
  test("abcdefghij", 1, 1, "abcdefghij", 1, 10, -8);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 1, -4);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 2, -4);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 1, 1, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 1, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 9, 1, -8);
  test("abcdefghij", 1, 1, "abcdefghij", 9, 2, -8);
  test("abcdefghij", 1, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghij", 1, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
}

void test25() {
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghij", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 4, "", 0, 0, 4);
  test("abcdefghij", 1, 4, "", 0, 1, 4);
  test("abcdefghij", 1, 4, "", 1, 0, 0);
  test("abcdefghij", 1, 4, "abcde", 0, 0, 4);
  test("abcdefghij", 1, 4, "abcde", 0, 1, 1);
  test("abcdefghij", 1, 4, "abcde", 0, 2, 1);
  test("abcdefghij", 1, 4, "abcde", 0, 4, 1);
  test("abcdefghij", 1, 4, "abcde", 0, 5, 1);
  test("abcdefghij", 1, 4, "abcde", 0, 6, 1);
  test("abcdefghij", 1, 4, "abcde", 1, 0, 4);
  test("abcdefghij", 1, 4, "abcde", 1, 1, 3);
  test("abcdefghij", 1, 4, "abcde", 1, 2, 2);
  test("abcdefghij", 1, 4, "abcde", 1, 3, 1);
  test("abcdefghij", 1, 4, "abcde", 1, 4, 0);
  test("abcdefghij", 1, 4, "abcde", 1, 5, 0);
  test("abcdefghij", 1, 4, "abcde", 2, 0, 4);
  test("abcdefghij", 1, 4, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 4, "abcde", 2, 2, -1);
  test("abcdefghij", 1, 4, "abcde", 2, 3, -1);
  test("abcdefghij", 1, 4, "abcde", 2, 4, -1);
  test("abcdefghij", 1, 4, "abcde", 4, 0, 4);
  test("abcdefghij", 1, 4, "abcde", 4, 1, -3);
  test("abcdefghij", 1, 4, "abcde", 4, 2, -3);
  test("abcdefghij", 1, 4, "abcde", 5, 0, 4);
  test("abcdefghij", 1, 4, "abcde", 5, 1, 4);
  test("abcdefghij", 1, 4, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 1, 1);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 5, 1);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 10, 1);
  test("abcdefghij", 1, 4, "abcdefghij", 0, 11, 1);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 1, 3);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 4, 0);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 8, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 9, -5);
  test("abcdefghij", 1, 4, "abcdefghij", 1, 10, -5);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 1, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 2, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 1, 4, "abcdefghij", 9, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 9, 1, -8);
  test("abcdefghij", 1, 4, "abcdefghij", 9, 2, -8);
  test("abcdefghij", 1, 4, "abcdefghij", 10, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 10, 1, 4);
  test("abcdefghij", 1, 4, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 1, 3);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 9, -5);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 18, -14);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 19, -15);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 1, 20, -15);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 0, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 20, 1, 4);
  test("abcdefghij", 1, 4, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 8, "", 0, 0, 8);
  test("abcdefghij", 1, 8, "", 0, 1, 8);
  test("abcdefghij", 1, 8, "", 1, 0, 0);
  test("abcdefghij", 1, 8, "abcde", 0, 0, 8);
  test("abcdefghij", 1, 8, "abcde", 0, 1, 1);
  test("abcdefghij", 1, 8, "abcde", 0, 2, 1);
  test("abcdefghij", 1, 8, "abcde", 0, 4, 1);
  test("abcdefghij", 1, 8, "abcde", 0, 5, 1);
  test("abcdefghij", 1, 8, "abcde", 0, 6, 1);
  test("abcdefghij", 1, 8, "abcde", 1, 0, 8);
}

void test26() {
  test("abcdefghij", 1, 8, "abcde", 1, 1, 7);
  test("abcdefghij", 1, 8, "abcde", 1, 2, 6);
  test("abcdefghij", 1, 8, "abcde", 1, 3, 5);
  test("abcdefghij", 1, 8, "abcde", 1, 4, 4);
  test("abcdefghij", 1, 8, "abcde", 1, 5, 4);
  test("abcdefghij", 1, 8, "abcde", 2, 0, 8);
  test("abcdefghij", 1, 8, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 8, "abcde", 2, 2, -1);
  test("abcdefghij", 1, 8, "abcde", 2, 3, -1);
  test("abcdefghij", 1, 8, "abcde", 2, 4, -1);
  test("abcdefghij", 1, 8, "abcde", 4, 0, 8);
  test("abcdefghij", 1, 8, "abcde", 4, 1, -3);
  test("abcdefghij", 1, 8, "abcde", 4, 2, -3);
  test("abcdefghij", 1, 8, "abcde", 5, 0, 8);
  test("abcdefghij", 1, 8, "abcde", 5, 1, 8);
  test("abcdefghij", 1, 8, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 1, 1);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 5, 1);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 10, 1);
  test("abcdefghij", 1, 8, "abcdefghij", 0, 11, 1);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 1, 7);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 8, 0);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 9, -1);
  test("abcdefghij", 1, 8, "abcdefghij", 1, 10, -1);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 1, -4);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 2, -4);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 1, 8, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 1, 8, "abcdefghij", 9, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 9, 1, -8);
  test("abcdefghij", 1, 8, "abcdefghij", 9, 2, -8);
  test("abcdefghij", 1, 8, "abcdefghij", 10, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 10, 1, 8);
  test("abcdefghij", 1, 8, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 1, 7);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 18, -10);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 19, -11);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 1, 20, -11);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 0, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 20, 1, 8);
  test("abcdefghij", 1, 8, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 9, "", 0, 0, 9);
  test("abcdefghij", 1, 9, "", 0, 1, 9);
  test("abcdefghij", 1, 9, "", 1, 0, 0);
  test("abcdefghij", 1, 9, "abcde", 0, 0, 9);
  test("abcdefghij", 1, 9, "abcde", 0, 1, 1);
  test("abcdefghij", 1, 9, "abcde", 0, 2, 1);
  test("abcdefghij", 1, 9, "abcde", 0, 4, 1);
  test("abcdefghij", 1, 9, "abcde", 0, 5, 1);
  test("abcdefghij", 1, 9, "abcde", 0, 6, 1);
  test("abcdefghij", 1, 9, "abcde", 1, 0, 9);
  test("abcdefghij", 1, 9, "abcde", 1, 1, 8);
  test("abcdefghij", 1, 9, "abcde", 1, 2, 7);
  test("abcdefghij", 1, 9, "abcde", 1, 3, 6);
  test("abcdefghij", 1, 9, "abcde", 1, 4, 5);
  test("abcdefghij", 1, 9, "abcde", 1, 5, 5);
  test("abcdefghij", 1, 9, "abcde", 2, 0, 9);
  test("abcdefghij", 1, 9, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 9, "abcde", 2, 2, -1);
  test("abcdefghij", 1, 9, "abcde", 2, 3, -1);
  test("abcdefghij", 1, 9, "abcde", 2, 4, -1);
  test("abcdefghij", 1, 9, "abcde", 4, 0, 9);
  test("abcdefghij", 1, 9, "abcde", 4, 1, -3);
  test("abcdefghij", 1, 9, "abcde", 4, 2, -3);
  test("abcdefghij", 1, 9, "abcde", 5, 0, 9);
  test("abcdefghij", 1, 9, "abcde", 5, 1, 9);
  test("abcdefghij", 1, 9, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 1, 1);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 5, 1);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 10, 1);
  test("abcdefghij", 1, 9, "abcdefghij", 0, 11, 1);
  test("abcdefghij", 1, 9, "abcdefghij", 1, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 1, 1, 8);
  test("abcdefghij", 1, 9, "abcdefghij", 1, 4, 5);
  test("abcdefghij", 1, 9, "abcdefghij", 1, 8, 1);
}

void test27() {
  test("abcdefghij", 1, 9, "abcdefghij", 1, 9, 0);
  test("abcdefghij", 1, 9, "abcdefghij", 1, 10, 0);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 1, -4);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 2, -4);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 1, 9, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 1, 9, "abcdefghij", 9, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 9, 1, -8);
  test("abcdefghij", 1, 9, "abcdefghij", 9, 2, -8);
  test("abcdefghij", 1, 9, "abcdefghij", 10, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 10, 1, 9);
  test("abcdefghij", 1, 9, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
  test("abcdefghij", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 1, 10, "", 0, 0, 9);
  test("abcdefghij", 1, 10, "", 0, 1, 9);
  test("abcdefghij", 1, 10, "", 1, 0, 0);
  test("abcdefghij", 1, 10, "abcde", 0, 0, 9);
  test("abcdefghij", 1, 10, "abcde", 0, 1, 1);
  test("abcdefghij", 1, 10, "abcde", 0, 2, 1);
  test("abcdefghij", 1, 10, "abcde", 0, 4, 1);
  test("abcdefghij", 1, 10, "abcde", 0, 5, 1);
  test("abcdefghij", 1, 10, "abcde", 0, 6, 1);
  test("abcdefghij", 1, 10, "abcde", 1, 0, 9);
  test("abcdefghij", 1, 10, "abcde", 1, 1, 8);
  test("abcdefghij", 1, 10, "abcde", 1, 2, 7);
  test("abcdefghij", 1, 10, "abcde", 1, 3, 6);
  test("abcdefghij", 1, 10, "abcde", 1, 4, 5);
  test("abcdefghij", 1, 10, "abcde", 1, 5, 5);
  test("abcdefghij", 1, 10, "abcde", 2, 0, 9);
  test("abcdefghij", 1, 10, "abcde", 2, 1, -1);
  test("abcdefghij", 1, 10, "abcde", 2, 2, -1);
  test("abcdefghij", 1, 10, "abcde", 2, 3, -1);
  test("abcdefghij", 1, 10, "abcde", 2, 4, -1);
  test("abcdefghij", 1, 10, "abcde", 4, 0, 9);
  test("abcdefghij", 1, 10, "abcde", 4, 1, -3);
  test("abcdefghij", 1, 10, "abcde", 4, 2, -3);
  test("abcdefghij", 1, 10, "abcde", 5, 0, 9);
  test("abcdefghij", 1, 10, "abcde", 5, 1, 9);
  test("abcdefghij", 1, 10, "abcde", 6, 0, 0);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 1, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 5, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 9, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 10, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 0, 11, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 1, 8);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 4, 5);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 8, 1);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 9, 0);
  test("abcdefghij", 1, 10, "abcdefghij", 1, 10, 0);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 1, -4);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 2, -4);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 1, 10, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 1, 10, "abcdefghij", 9, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 9, 1, -8);
  test("abcdefghij", 1, 10, "abcdefghij", 9, 2, -8);
  test("abcdefghij", 1, 10, "abcdefghij", 10, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 10, 1, 9);
  test("abcdefghij", 1, 10, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 1, 8);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 18, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 19, -10);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 1, 20, -10);
}

void test28() {
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 0, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 20, 1, 9);
  test("abcdefghij", 1, 10, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 0, "", 0, 0, 0);
  test("abcdefghij", 5, 0, "", 0, 1, 0);
  test("abcdefghij", 5, 0, "", 1, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 0, 1, -1);
  test("abcdefghij", 5, 0, "abcde", 0, 2, -2);
  test("abcdefghij", 5, 0, "abcde", 0, 4, -4);
  test("abcdefghij", 5, 0, "abcde", 0, 5, -5);
  test("abcdefghij", 5, 0, "abcde", 0, 6, -5);
  test("abcdefghij", 5, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 1, 1, -1);
  test("abcdefghij", 5, 0, "abcde", 1, 2, -2);
  test("abcdefghij", 5, 0, "abcde", 1, 3, -3);
  test("abcdefghij", 5, 0, "abcde", 1, 4, -4);
  test("abcdefghij", 5, 0, "abcde", 1, 5, -4);
  test("abcdefghij", 5, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 2, 1, -1);
  test("abcdefghij", 5, 0, "abcde", 2, 2, -2);
  test("abcdefghij", 5, 0, "abcde", 2, 3, -3);
  test("abcdefghij", 5, 0, "abcde", 2, 4, -3);
  test("abcdefghij", 5, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 4, 1, -1);
  test("abcdefghij", 5, 0, "abcde", 4, 2, -1);
  test("abcdefghij", 5, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 5, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 5, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 5, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 5, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 5, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 5, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 5, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 5, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 5, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 1, "", 0, 0, 1);
  test("abcdefghij", 5, 1, "", 0, 1, 1);
  test("abcdefghij", 5, 1, "", 1, 0, 0);
  test("abcdefghij", 5, 1, "abcde", 0, 0, 1);
  test("abcdefghij", 5, 1, "abcde", 0, 1, 5);
  test("abcdefghij", 5, 1, "abcde", 0, 2, 5);
  test("abcdefghij", 5, 1, "abcde", 0, 4, 5);
  test("abcdefghij", 5, 1, "abcde", 0, 5, 5);
  test("abcdefghij", 5, 1, "abcde", 0, 6, 5);
  test("abcdefghij", 5, 1, "abcde", 1, 0, 1);
  test("abcdefghij", 5, 1, "abcde", 1, 1, 4);
  test("abcdefghij", 5, 1, "abcde", 1, 2, 4);
  test("abcdefghij", 5, 1, "abcde", 1, 3, 4);
  test("abcdefghij", 5, 1, "abcde", 1, 4, 4);
}

void test29() {
  test("abcdefghij", 5, 1, "abcde", 1, 5, 4);
  test("abcdefghij", 5, 1, "abcde", 2, 0, 1);
  test("abcdefghij", 5, 1, "abcde", 2, 1, 3);
  test("abcdefghij", 5, 1, "abcde", 2, 2, 3);
  test("abcdefghij", 5, 1, "abcde", 2, 3, 3);
  test("abcdefghij", 5, 1, "abcde", 2, 4, 3);
  test("abcdefghij", 5, 1, "abcde", 4, 0, 1);
  test("abcdefghij", 5, 1, "abcde", 4, 1, 1);
  test("abcdefghij", 5, 1, "abcde", 4, 2, 1);
  test("abcdefghij", 5, 1, "abcde", 5, 0, 1);
  test("abcdefghij", 5, 1, "abcde", 5, 1, 1);
  test("abcdefghij", 5, 1, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 1, 5);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 9, 5);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 10, 5);
  test("abcdefghij", 5, 1, "abcdefghij", 0, 11, 5);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 1, 4);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 8, 4);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 9, 4);
  test("abcdefghij", 5, 1, "abcdefghij", 1, 10, 4);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 1, 0);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 2, -1);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 4, -3);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 5, -4);
  test("abcdefghij", 5, 1, "abcdefghij", 5, 6, -4);
  test("abcdefghij", 5, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 9, 1, -4);
  test("abcdefghij", 5, 1, "abcdefghij", 9, 2, -4);
  test("abcdefghij", 5, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghij", 5, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 1, 5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 10, 5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 19, 5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 20, 5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 0, 21, 5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 1, 4);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 9, 4);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 18, 4);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 19, 4);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 1, 20, 4);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 1, -5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 9, -5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 1, -14);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 19, 2, -14);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghij", 5, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 2, "", 0, 0, 2);
  test("abcdefghij", 5, 2, "", 0, 1, 2);
  test("abcdefghij", 5, 2, "", 1, 0, 0);
  test("abcdefghij", 5, 2, "abcde", 0, 0, 2);
  test("abcdefghij", 5, 2, "abcde", 0, 1, 5);
  test("abcdefghij", 5, 2, "abcde", 0, 2, 5);
  test("abcdefghij", 5, 2, "abcde", 0, 4, 5);
  test("abcdefghij", 5, 2, "abcde", 0, 5, 5);
  test("abcdefghij", 5, 2, "abcde", 0, 6, 5);
  test("abcdefghij", 5, 2, "abcde", 1, 0, 2);
  test("abcdefghij", 5, 2, "abcde", 1, 1, 4);
  test("abcdefghij", 5, 2, "abcde", 1, 2, 4);
  test("abcdefghij", 5, 2, "abcde", 1, 3, 4);
  test("abcdefghij", 5, 2, "abcde", 1, 4, 4);
  test("abcdefghij", 5, 2, "abcde", 1, 5, 4);
  test("abcdefghij", 5, 2, "abcde", 2, 0, 2);
  test("abcdefghij", 5, 2, "abcde", 2, 1, 3);
  test("abcdefghij", 5, 2, "abcde", 2, 2, 3);
  test("abcdefghij", 5, 2, "abcde", 2, 3, 3);
  test("abcdefghij", 5, 2, "abcde", 2, 4, 3);
  test("abcdefghij", 5, 2, "abcde", 4, 0, 2);
  test("abcdefghij", 5, 2, "abcde", 4, 1, 1);
  test("abcdefghij", 5, 2, "abcde", 4, 2, 1);
  test("abcdefghij", 5, 2, "abcde", 5, 0, 2);
  test("abcdefghij", 5, 2, "abcde", 5, 1, 2);
  test("abcdefghij", 5, 2, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 1, 5);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 9, 5);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 10, 5);
  test("abcdefghij", 5, 2, "abcdefghij", 0, 11, 5);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 1, 4);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 8, 4);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 9, 4);
  test("abcdefghij", 5, 2, "abcdefghij", 1, 10, 4);
  test("abcdefghij", 5, 2, "abcdefghij", 5, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 5, 1, 1);
}

void test30() {
  test("abcdefghij", 5, 2, "abcdefghij", 5, 2, 0);
  test("abcdefghij", 5, 2, "abcdefghij", 5, 4, -2);
  test("abcdefghij", 5, 2, "abcdefghij", 5, 5, -3);
  test("abcdefghij", 5, 2, "abcdefghij", 5, 6, -3);
  test("abcdefghij", 5, 2, "abcdefghij", 9, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 9, 1, -4);
  test("abcdefghij", 5, 2, "abcdefghij", 9, 2, -4);
  test("abcdefghij", 5, 2, "abcdefghij", 10, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 10, 1, 2);
  test("abcdefghij", 5, 2, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 1, 5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 10, 5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 19, 5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 20, 5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 0, 21, 5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 1, 4);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 9, 4);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 18, 4);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 19, 4);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 1, 20, 4);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 1, -5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 9, -5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 1, -14);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 19, 2, -14);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 0, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 20, 1, 2);
  test("abcdefghij", 5, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 4, "", 0, 0, 4);
  test("abcdefghij", 5, 4, "", 0, 1, 4);
  test("abcdefghij", 5, 4, "", 1, 0, 0);
  test("abcdefghij", 5, 4, "abcde", 0, 0, 4);
  test("abcdefghij", 5, 4, "abcde", 0, 1, 5);
  test("abcdefghij", 5, 4, "abcde", 0, 2, 5);
  test("abcdefghij", 5, 4, "abcde", 0, 4, 5);
  test("abcdefghij", 5, 4, "abcde", 0, 5, 5);
  test("abcdefghij", 5, 4, "abcde", 0, 6, 5);
  test("abcdefghij", 5, 4, "abcde", 1, 0, 4);
  test("abcdefghij", 5, 4, "abcde", 1, 1, 4);
  test("abcdefghij", 5, 4, "abcde", 1, 2, 4);
  test("abcdefghij", 5, 4, "abcde", 1, 3, 4);
  test("abcdefghij", 5, 4, "abcde", 1, 4, 4);
  test("abcdefghij", 5, 4, "abcde", 1, 5, 4);
  test("abcdefghij", 5, 4, "abcde", 2, 0, 4);
  test("abcdefghij", 5, 4, "abcde", 2, 1, 3);
  test("abcdefghij", 5, 4, "abcde", 2, 2, 3);
  test("abcdefghij", 5, 4, "abcde", 2, 3, 3);
  test("abcdefghij", 5, 4, "abcde", 2, 4, 3);
  test("abcdefghij", 5, 4, "abcde", 4, 0, 4);
  test("abcdefghij", 5, 4, "abcde", 4, 1, 1);
  test("abcdefghij", 5, 4, "abcde", 4, 2, 1);
  test("abcdefghij", 5, 4, "abcde", 5, 0, 4);
  test("abcdefghij", 5, 4, "abcde", 5, 1, 4);
  test("abcdefghij", 5, 4, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 1, 5);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 9, 5);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 10, 5);
  test("abcdefghij", 5, 4, "abcdefghij", 0, 11, 5);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 1, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 8, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 9, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 1, 10, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 1, 3);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 2, 2);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 4, 0);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 5, -1);
  test("abcdefghij", 5, 4, "abcdefghij", 5, 6, -1);
  test("abcdefghij", 5, 4, "abcdefghij", 9, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 9, 1, -4);
  test("abcdefghij", 5, 4, "abcdefghij", 9, 2, -4);
  test("abcdefghij", 5, 4, "abcdefghij", 10, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 10, 1, 4);
  test("abcdefghij", 5, 4, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 1, 5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 10, 5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 19, 5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 20, 5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 0, 21, 5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 1, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 9, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 18, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 19, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 1, 20, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 1, -5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 9, -5);
}

void test31() {
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 1, -14);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 19, 2, -14);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 0, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 20, 1, 4);
  test("abcdefghij", 5, 4, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 5, "", 0, 0, 5);
  test("abcdefghij", 5, 5, "", 0, 1, 5);
  test("abcdefghij", 5, 5, "", 1, 0, 0);
  test("abcdefghij", 5, 5, "abcde", 0, 0, 5);
  test("abcdefghij", 5, 5, "abcde", 0, 1, 5);
  test("abcdefghij", 5, 5, "abcde", 0, 2, 5);
  test("abcdefghij", 5, 5, "abcde", 0, 4, 5);
  test("abcdefghij", 5, 5, "abcde", 0, 5, 5);
  test("abcdefghij", 5, 5, "abcde", 0, 6, 5);
  test("abcdefghij", 5, 5, "abcde", 1, 0, 5);
  test("abcdefghij", 5, 5, "abcde", 1, 1, 4);
  test("abcdefghij", 5, 5, "abcde", 1, 2, 4);
  test("abcdefghij", 5, 5, "abcde", 1, 3, 4);
  test("abcdefghij", 5, 5, "abcde", 1, 4, 4);
  test("abcdefghij", 5, 5, "abcde", 1, 5, 4);
  test("abcdefghij", 5, 5, "abcde", 2, 0, 5);
  test("abcdefghij", 5, 5, "abcde", 2, 1, 3);
  test("abcdefghij", 5, 5, "abcde", 2, 2, 3);
  test("abcdefghij", 5, 5, "abcde", 2, 3, 3);
  test("abcdefghij", 5, 5, "abcde", 2, 4, 3);
  test("abcdefghij", 5, 5, "abcde", 4, 0, 5);
  test("abcdefghij", 5, 5, "abcde", 4, 1, 1);
  test("abcdefghij", 5, 5, "abcde", 4, 2, 1);
  test("abcdefghij", 5, 5, "abcde", 5, 0, 5);
  test("abcdefghij", 5, 5, "abcde", 5, 1, 5);
  test("abcdefghij", 5, 5, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 1, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 9, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 10, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 0, 11, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 1, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 8, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 9, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 1, 10, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 1, 4);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 2, 3);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 4, 1);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 5, 0);
  test("abcdefghij", 5, 5, "abcdefghij", 5, 6, 0);
  test("abcdefghij", 5, 5, "abcdefghij", 9, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 9, 1, -4);
  test("abcdefghij", 5, 5, "abcdefghij", 9, 2, -4);
  test("abcdefghij", 5, 5, "abcdefghij", 10, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 10, 1, 5);
  test("abcdefghij", 5, 5, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 1, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 10, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 19, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 20, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 0, 21, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 1, 4);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 9, 4);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 18, 4);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 19, 4);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 1, 20, 4);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 1, -5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 9, -5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 1, -14);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 19, 2, -14);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcdefghij", 5, 5, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 5, 6, "", 0, 0, 5);
  test("abcdefghij", 5, 6, "", 0, 1, 5);
  test("abcdefghij", 5, 6, "", 1, 0, 0);
  test("abcdefghij", 5, 6, "abcde", 0, 0, 5);
  test("abcdefghij", 5, 6, "abcde", 0, 1, 5);
  test("abcdefghij", 5, 6, "abcde", 0, 2, 5);
  test("abcdefghij", 5, 6, "abcde", 0, 4, 5);
  test("abcdefghij", 5, 6, "abcde", 0, 5, 5);
  test("abcdefghij", 5, 6, "abcde", 0, 6, 5);
  test("abcdefghij", 5, 6, "abcde", 1, 0, 5);
  test("abcdefghij", 5, 6, "abcde", 1, 1, 4);
  test("abcdefghij", 5, 6, "abcde", 1, 2, 4);
  test("abcdefghij", 5, 6, "abcde", 1, 3, 4);
  test("abcdefghij", 5, 6, "abcde", 1, 4, 4);
  test("abcdefghij", 5, 6, "abcde", 1, 5, 4);
  test("abcdefghij", 5, 6, "abcde", 2, 0, 5);
  test("abcdefghij", 5, 6, "abcde", 2, 1, 3);
  test("abcdefghij", 5, 6, "abcde", 2, 2, 3);
}

void test32() {
  test("abcdefghij", 5, 6, "abcde", 2, 3, 3);
  test("abcdefghij", 5, 6, "abcde", 2, 4, 3);
  test("abcdefghij", 5, 6, "abcde", 4, 0, 5);
  test("abcdefghij", 5, 6, "abcde", 4, 1, 1);
  test("abcdefghij", 5, 6, "abcde", 4, 2, 1);
  test("abcdefghij", 5, 6, "abcde", 5, 0, 5);
  test("abcdefghij", 5, 6, "abcde", 5, 1, 5);
  test("abcdefghij", 5, 6, "abcde", 6, 0, 0);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 1, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 5, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 9, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 10, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 0, 11, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 1, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 4, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 8, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 9, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 1, 10, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 1, 4);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 2, 3);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 4, 1);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 5, 0);
  test("abcdefghij", 5, 6, "abcdefghij", 5, 6, 0);
  test("abcdefghij", 5, 6, "abcdefghij", 9, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 9, 1, -4);
  test("abcdefghij", 5, 6, "abcdefghij", 9, 2, -4);
  test("abcdefghij", 5, 6, "abcdefghij", 10, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 10, 1, 5);
  test("abcdefghij", 5, 6, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 1, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 10, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 19, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 20, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 0, 21, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 1, 4);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 9, 4);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 18, 4);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 19, 4);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 1, 20, 4);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 1, -5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 9, -5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 1, -14);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 19, 2, -14);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcdefghij", 5, 6, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 9, 0, "", 0, 0, 0);
  test("abcdefghij", 9, 0, "", 0, 1, 0);
  test("abcdefghij", 9, 0, "", 1, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 0, 1, -1);
  test("abcdefghij", 9, 0, "abcde", 0, 2, -2);
  test("abcdefghij", 9, 0, "abcde", 0, 4, -4);
  test("abcdefghij", 9, 0, "abcde", 0, 5, -5);
  test("abcdefghij", 9, 0, "abcde", 0, 6, -5);
  test("abcdefghij", 9, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 1, 1, -1);
  test("abcdefghij", 9, 0, "abcde", 1, 2, -2);
  test("abcdefghij", 9, 0, "abcde", 1, 3, -3);
  test("abcdefghij", 9, 0, "abcde", 1, 4, -4);
  test("abcdefghij", 9, 0, "abcde", 1, 5, -4);
  test("abcdefghij", 9, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 2, 1, -1);
  test("abcdefghij", 9, 0, "abcde", 2, 2, -2);
  test("abcdefghij", 9, 0, "abcde", 2, 3, -3);
  test("abcdefghij", 9, 0, "abcde", 2, 4, -3);
  test("abcdefghij", 9, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 4, 1, -1);
  test("abcdefghij", 9, 0, "abcde", 4, 2, -1);
  test("abcdefghij", 9, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 9, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 9, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 9, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 9, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 9, 0, "abcdefghij", 5, 6, -5);
}

void test33() {
  test("abcdefghij", 9, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 9, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 9, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 9, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 9, 1, "", 0, 0, 1);
  test("abcdefghij", 9, 1, "", 0, 1, 1);
  test("abcdefghij", 9, 1, "", 1, 0, 0);
  test("abcdefghij", 9, 1, "abcde", 0, 0, 1);
  test("abcdefghij", 9, 1, "abcde", 0, 1, 9);
  test("abcdefghij", 9, 1, "abcde", 0, 2, 9);
  test("abcdefghij", 9, 1, "abcde", 0, 4, 9);
  test("abcdefghij", 9, 1, "abcde", 0, 5, 9);
  test("abcdefghij", 9, 1, "abcde", 0, 6, 9);
  test("abcdefghij", 9, 1, "abcde", 1, 0, 1);
  test("abcdefghij", 9, 1, "abcde", 1, 1, 8);
  test("abcdefghij", 9, 1, "abcde", 1, 2, 8);
  test("abcdefghij", 9, 1, "abcde", 1, 3, 8);
  test("abcdefghij", 9, 1, "abcde", 1, 4, 8);
  test("abcdefghij", 9, 1, "abcde", 1, 5, 8);
  test("abcdefghij", 9, 1, "abcde", 2, 0, 1);
  test("abcdefghij", 9, 1, "abcde", 2, 1, 7);
  test("abcdefghij", 9, 1, "abcde", 2, 2, 7);
  test("abcdefghij", 9, 1, "abcde", 2, 3, 7);
  test("abcdefghij", 9, 1, "abcde", 2, 4, 7);
  test("abcdefghij", 9, 1, "abcde", 4, 0, 1);
  test("abcdefghij", 9, 1, "abcde", 4, 1, 5);
  test("abcdefghij", 9, 1, "abcde", 4, 2, 5);
  test("abcdefghij", 9, 1, "abcde", 5, 0, 1);
  test("abcdefghij", 9, 1, "abcde", 5, 1, 1);
  test("abcdefghij", 9, 1, "abcde", 6, 0, 0);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 1, 9);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 5, 9);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 9, 9);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 10, 9);
  test("abcdefghij", 9, 1, "abcdefghij", 0, 11, 9);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 1, 8);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 4, 8);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 8, 8);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 9, 8);
  test("abcdefghij", 9, 1, "abcdefghij", 1, 10, 8);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 1, 4);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 2, 4);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 4, 4);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 5, 4);
  test("abcdefghij", 9, 1, "abcdefghij", 5, 6, 4);
  test("abcdefghij", 9, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 9, 1, 0);
  test("abcdefghij", 9, 1, "abcdefghij", 9, 2, 0);
  test("abcdefghij", 9, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghij", 9, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 1, 9);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 10, 9);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 19, 9);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 20, 9);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 0, 21, 9);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 1, 8);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 9, 8);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 18, 8);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 19, 8);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 1, 20, 8);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 5, -1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 9, -1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 10, -1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 10, 11, -1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 1, -10);
}

void test34() {
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 19, 2, -10);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghij", 9, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 9, 2, "", 0, 0, 1);
  test("abcdefghij", 9, 2, "", 0, 1, 1);
  test("abcdefghij", 9, 2, "", 1, 0, 0);
  test("abcdefghij", 9, 2, "abcde", 0, 0, 1);
  test("abcdefghij", 9, 2, "abcde", 0, 1, 9);
  test("abcdefghij", 9, 2, "abcde", 0, 2, 9);
  test("abcdefghij", 9, 2, "abcde", 0, 4, 9);
  test("abcdefghij", 9, 2, "abcde", 0, 5, 9);
  test("abcdefghij", 9, 2, "abcde", 0, 6, 9);
  test("abcdefghij", 9, 2, "abcde", 1, 0, 1);
  test("abcdefghij", 9, 2, "abcde", 1, 1, 8);
  test("abcdefghij", 9, 2, "abcde", 1, 2, 8);
  test("abcdefghij", 9, 2, "abcde", 1, 3, 8);
  test("abcdefghij", 9, 2, "abcde", 1, 4, 8);
  test("abcdefghij", 9, 2, "abcde", 1, 5, 8);
  test("abcdefghij", 9, 2, "abcde", 2, 0, 1);
  test("abcdefghij", 9, 2, "abcde", 2, 1, 7);
  test("abcdefghij", 9, 2, "abcde", 2, 2, 7);
  test("abcdefghij", 9, 2, "abcde", 2, 3, 7);
  test("abcdefghij", 9, 2, "abcde", 2, 4, 7);
  test("abcdefghij", 9, 2, "abcde", 4, 0, 1);
  test("abcdefghij", 9, 2, "abcde", 4, 1, 5);
  test("abcdefghij", 9, 2, "abcde", 4, 2, 5);
  test("abcdefghij", 9, 2, "abcde", 5, 0, 1);
  test("abcdefghij", 9, 2, "abcde", 5, 1, 1);
  test("abcdefghij", 9, 2, "abcde", 6, 0, 0);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 1, 9);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 5, 9);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 9, 9);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 10, 9);
  test("abcdefghij", 9, 2, "abcdefghij", 0, 11, 9);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 1, 8);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 4, 8);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 8, 8);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 9, 8);
  test("abcdefghij", 9, 2, "abcdefghij", 1, 10, 8);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 1, 4);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 2, 4);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 4, 4);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 5, 4);
  test("abcdefghij", 9, 2, "abcdefghij", 5, 6, 4);
  test("abcdefghij", 9, 2, "abcdefghij", 9, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 9, 1, 0);
  test("abcdefghij", 9, 2, "abcdefghij", 9, 2, 0);
  test("abcdefghij", 9, 2, "abcdefghij", 10, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 10, 1, 1);
  test("abcdefghij", 9, 2, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 1, 9);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 10, 9);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 19, 9);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 20, 9);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 0, 21, 9);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 1, 8);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 9, 8);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 18, 8);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 19, 8);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 1, 20, 8);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 5, -1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 9, -1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 10, -1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 10, 11, -1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 1, -10);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 19, 2, -10);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghij", 9, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 10, 0, "", 0, 0, 0);
  test("abcdefghij", 10, 0, "", 0, 1, 0);
  test("abcdefghij", 10, 0, "", 1, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 0, 1, -1);
  test("abcdefghij", 10, 0, "abcde", 0, 2, -2);
  test("abcdefghij", 10, 0, "abcde", 0, 4, -4);
  test("abcdefghij", 10, 0, "abcde", 0, 5, -5);
  test("abcdefghij", 10, 0, "abcde", 0, 6, -5);
  test("abcdefghij", 10, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 1, 1, -1);
  test("abcdefghij", 10, 0, "abcde", 1, 2, -2);
  test("abcdefghij", 10, 0, "abcde", 1, 3, -3);
  test("abcdefghij", 10, 0, "abcde", 1, 4, -4);
  test("abcdefghij", 10, 0, "abcde", 1, 5, -4);
  test("abcdefghij", 10, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 2, 1, -1);
  test("abcdefghij", 10, 0, "abcde", 2, 2, -2);
  test("abcdefghij", 10, 0, "abcde", 2, 3, -3);
  test("abcdefghij", 10, 0, "abcde", 2, 4, -3);
  test("abcdefghij", 10, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 4, 1, -1);
}

void test35() {
  test("abcdefghij", 10, 0, "abcde", 4, 2, -1);
  test("abcdefghij", 10, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 10, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 10, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 10, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 10, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 10, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 10, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 10, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 10, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 10, 1, "", 0, 0, 0);
  test("abcdefghij", 10, 1, "", 0, 1, 0);
  test("abcdefghij", 10, 1, "", 1, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 0, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 0, 1, -1);
  test("abcdefghij", 10, 1, "abcde", 0, 2, -2);
  test("abcdefghij", 10, 1, "abcde", 0, 4, -4);
  test("abcdefghij", 10, 1, "abcde", 0, 5, -5);
  test("abcdefghij", 10, 1, "abcde", 0, 6, -5);
  test("abcdefghij", 10, 1, "abcde", 1, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 1, 1, -1);
  test("abcdefghij", 10, 1, "abcde", 1, 2, -2);
  test("abcdefghij", 10, 1, "abcde", 1, 3, -3);
  test("abcdefghij", 10, 1, "abcde", 1, 4, -4);
  test("abcdefghij", 10, 1, "abcde", 1, 5, -4);
  test("abcdefghij", 10, 1, "abcde", 2, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 2, 1, -1);
  test("abcdefghij", 10, 1, "abcde", 2, 2, -2);
  test("abcdefghij", 10, 1, "abcde", 2, 3, -3);
  test("abcdefghij", 10, 1, "abcde", 2, 4, -3);
  test("abcdefghij", 10, 1, "abcde", 4, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 4, 1, -1);
  test("abcdefghij", 10, 1, "abcde", 4, 2, -1);
  test("abcdefghij", 10, 1, "abcde", 5, 0, 0);
  test("abcdefghij", 10, 1, "abcde", 5, 1, 0);
  test("abcdefghij", 10, 1, "abcde", 6, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 5, -5);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 9, -9);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 10, -10);
  test("abcdefghij", 10, 1, "abcdefghij", 0, 11, -10);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 4, -4);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 8, -8);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 9, -9);
  test("abcdefghij", 10, 1, "abcdefghij", 1, 10, -9);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 2, -2);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 4, -4);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 5, -5);
  test("abcdefghij", 10, 1, "abcdefghij", 5, 6, -5);
  test("abcdefghij", 10, 1, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 9, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghij", 9, 2, -1);
  test("abcdefghij", 10, 1, "abcdefghij", 10, 0, 0);
}

void test36() {
  test("abcdefghij", 10, 1, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 10, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghij", 11, 0, "", 0, 0, 0);
  test("abcdefghij", 11, 0, "", 0, 1, 0);
  test("abcdefghij", 11, 0, "", 1, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 1, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 2, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 4, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 5, 0);
  test("abcdefghij", 11, 0, "abcde", 0, 6, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 1, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 2, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 3, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 4, 0);
  test("abcdefghij", 11, 0, "abcde", 1, 5, 0);
  test("abcdefghij", 11, 0, "abcde", 2, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 2, 1, 0);
  test("abcdefghij", 11, 0, "abcde", 2, 2, 0);
  test("abcdefghij", 11, 0, "abcde", 2, 3, 0);
  test("abcdefghij", 11, 0, "abcde", 2, 4, 0);
  test("abcdefghij", 11, 0, "abcde", 4, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 4, 1, 0);
  test("abcdefghij", 11, 0, "abcde", 4, 2, 0);
  test("abcdefghij", 11, 0, "abcde", 5, 0, 0);
  test("abcdefghij", 11, 0, "abcde", 5, 1, 0);
  test("abcdefghij", 11, 0, "abcde", 6, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 5, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 9, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 10, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 0, 11, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 4, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 8, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 9, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 1, 10, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 2, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 4, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 5, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 5, 6, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 9, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 9, 2, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 19, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 20, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 0, 21, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 18, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 19, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 1, 20, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 5, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 9, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 10, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 10, 11, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 19, 2, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghij", 11, 0, "abcdefghijklmnopqrst", 21, 0, 0);
}

void test37() {
  test("abcdefghijklmnopqrst", 0, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 0, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 2, -2);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 0, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 0, 1, "", 0, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "", 0, 1, 1);
  test("abcdefghijklmnopqrst", 0, 1, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 1, 0);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 2, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 4, -3);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 5, -4);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 0, 6, -4);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 3, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 1, 5, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 1, -2);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 3, -2);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 2, 4, -2);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 1, -4);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 4, 2, -4);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 5, 1, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcde", 6, 0, 0);
}

void test38() {
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 1, 0);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 5, -4);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 9, -8);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 10, -9);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 0, 11, -9);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 8, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 1, 10, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 1, -5);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 2, -5);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 4, -5);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 1, -9);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 9, 2, -9);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 10, -9);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 19, -18);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 20, -19);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 0, 21, -19);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghijklmnopqrst", 0, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 0, 10, "", 0, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "", 0, 1, 10);
  test("abcdefghijklmnopqrst", 0, 10, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 1, 9);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 2, 8);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 4, 6);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 5, 5);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 0, 6, 5);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 3, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 1, 5, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 1, -2);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 3, -2);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 2, 4, -2);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 1, -4);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 4, 2, -4);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 5, 1, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 1, 9);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 5, 5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 10, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 0, 11, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 8, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 1, 10, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 1, -5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 2, -5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 4, -5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 1, -9);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 9, 2, -9);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 10, 1, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 1, 9);
}

void test39() {
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 19, -9);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 20, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 0, 21, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 0, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 20, 1, 10);
  test("abcdefghijklmnopqrst", 0, 10, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 0, 19, "", 0, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 19, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 1, 18);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 2, 17);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 4, 15);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 5, 14);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 0, 6, 14);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 3, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 1, 5, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 1, -2);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 3, -2);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 2, 4, -2);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 1, -4);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 4, 2, -4);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 5, 1, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 1, 18);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 5, 14);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 10, 9);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 0, 11, 9);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 8, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 1, 10, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 1, -5);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 2, -5);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 4, -5);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 1, -9);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 9, 2, -9);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 10, 1, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 1, 18);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 10, 9);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 19, 0);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 20, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 0, 21, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 0, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 20, 1, 19);
  test("abcdefghijklmnopqrst", 0, 19, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 0, 20, "", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "", 0, 1, 20);
  test("abcdefghijklmnopqrst", 0, 20, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 0, 20);
}

void test40() {
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 2, 18);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 4, 16);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 5, 15);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 0, 6, 15);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 3, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 1, 5, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 1, -2);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 3, -2);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 2, 4, -2);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 1, -4);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 4, 2, -4);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 5, 1, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 5, 15);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 9, 11);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 8, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 1, 10, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 1, -5);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 2, -5);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 4, -5);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 1, -9);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 9, 2, -9);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 10, 1, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 20, 0);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 0, 21, 0);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 0, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 20, 1, 20);
  test("abcdefghijklmnopqrst", 0, 20, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 0, 21, "", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "", 0, 1, 20);
  test("abcdefghijklmnopqrst", 0, 21, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 2, 18);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 4, 16);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 5, 15);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 0, 6, 15);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 3, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 1, 5, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 1, -2);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 3, -2);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 2, 4, -2);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 1, -4);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 4, 2, -4);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 5, 1, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 5, 15);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 9, 11);
}

void test41() {
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 4, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 8, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 1, 10, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 1, -5);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 2, -5);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 4, -5);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 1, -9);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 9, 2, -9);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 10, 1, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 1, 19);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 20, 0);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 0, 21, 0);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 9, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 18, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 1, -10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 5, -10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 9, -10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 1, -19);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 19, 2, -19);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 0, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 20, 1, 20);
  test("abcdefghijklmnopqrst", 0, 21, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 1, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 2, -2);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 0, 21, -20);
}

void test42() {
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 1, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 1, "", 0, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 2, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 4, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 0, 6, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 1, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 2, -1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 3, -2);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 4, -3);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 1, 5, -3);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 2, -1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 3, -1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 2, 4, -1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 1, -3);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 4, 2, -3);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 5, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 0, 11, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 1, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 4, -3);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 8, -7);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 9, -8);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 1, 10, -8);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 1, -4);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 2, -4);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 5, -4);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 5, 6, -4);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 1, -8);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 9, 2, -8);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 1, 0);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 9, -8);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 18, -17);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 19, -18);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 1, 20, -18);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghijklmnopqrst", 1, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 9, "", 0, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "", 0, 1, 9);
  test("abcdefghijklmnopqrst", 1, 9, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 2, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 4, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 5, 1);
}

void test43() {
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 0, 6, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 1, 8);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 2, 7);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 3, 6);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 4, 5);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 1, 5, 5);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 2, -1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 3, -1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 2, 4, -1);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 1, -3);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 4, 2, -3);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 5, 1, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 0, 11, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 1, 8);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 4, 5);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 8, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 9, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 1, 10, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 1, -4);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 2, -4);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 5, -4);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 5, 6, -4);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 1, -8);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 9, 2, -8);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 10, 1, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 1, 8);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 18, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 19, -10);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 1, 20, -10);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 0, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 20, 1, 9);
  test("abcdefghijklmnopqrst", 1, 9, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 18, "", 0, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "", 0, 1, 18);
  test("abcdefghijklmnopqrst", 1, 18, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 2, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 4, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 0, 6, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 1, 17);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 2, 16);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 3, 15);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 4, 14);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 1, 5, 14);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 2, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 3, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 2, 4, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 1, -3);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 4, 2, -3);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 5, 1, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 0, 11, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 1, 17);
}

void test44() {
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 4, 14);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 8, 10);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 1, 10, 9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 1, -4);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 2, -4);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 5, -4);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 5, 6, -4);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 1, -8);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 9, 2, -8);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 10, 1, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 1, 17);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 18, 0);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 19, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 1, 20, -1);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 0, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 20, 1, 18);
  test("abcdefghijklmnopqrst", 1, 18, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 19, "", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "", 0, 1, 19);
  test("abcdefghijklmnopqrst", 1, 19, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 2, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 4, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 0, 6, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 2, 17);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 3, 16);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 4, 15);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 1, 5, 15);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 2, -1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 3, -1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 2, 4, -1);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 1, -3);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 4, 2, -3);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 5, 1, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 0, 11, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 4, 15);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 8, 11);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 9, 10);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 1, 10, 10);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 1, -4);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 2, -4);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 5, -4);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 5, 6, -4);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 1, -8);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 9, 2, -8);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 10, 1, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 9, 10);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 18, 1);
}

void test45() {
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 19, 0);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 1, 20, 0);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 0, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 20, 1, 19);
  test("abcdefghijklmnopqrst", 1, 19, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 1, 20, "", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "", 0, 1, 19);
  test("abcdefghijklmnopqrst", 1, 20, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 2, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 4, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 0, 6, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 2, 17);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 3, 16);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 4, 15);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 1, 5, 15);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 2, -1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 3, -1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 2, 4, -1);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 1, -3);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 4, 2, -3);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 5, 1, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 5, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 9, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 0, 11, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 4, 15);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 8, 11);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 9, 10);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 1, 10, 10);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 1, -4);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 2, -4);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 5, -4);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 5, 6, -4);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 1, -8);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 9, 2, -8);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 10, 1, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 1, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 10, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 19, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 20, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 0, 21, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 1, 18);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 9, 10);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 18, 1);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 19, 0);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 1, 20, 0);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 1, -9);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 5, -9);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 1, -18);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 19, 2, -18);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 0, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 20, 1, 19);
  test("abcdefghijklmnopqrst", 1, 20, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 10, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 2, -2);
}

void test46() {
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 10, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 1, "", 0, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "", 0, 1, 1);
  test("abcdefghijklmnopqrst", 10, 1, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 2, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 4, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 0, 6, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 2, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 3, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 1, 5, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 1, 8);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 2, 8);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 3, 8);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 2, 4, 8);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 1, 6);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 4, 2, 6);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 5, 1, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 8, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 1, 10, 9);
}

void test47() {
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 2, 5);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 4, 5);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 5, 5);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 5, 6, 5);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 1, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 9, 2, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 19, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 20, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 0, 21, 10);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 18, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 19, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 1, 20, 9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 1, 0);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 5, -4);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 9, -8);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 10, -9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 10, 11, -9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 1, -9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 19, 2, -9);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghijklmnopqrst", 10, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 5, "", 0, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "", 0, 1, 5);
  test("abcdefghijklmnopqrst", 10, 5, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 2, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 4, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 0, 6, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 2, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 3, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 1, 5, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 1, 8);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 2, 8);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 3, 8);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 2, 4, 8);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 1, 6);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 4, 2, 6);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 8, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 1, 10, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 2, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 4, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 5, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 5, 6, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 1, 1);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 9, 2, 1);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 10, 1, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 19, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 20, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 0, 21, 10);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 18, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 19, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 1, 20, 9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 1, 4);
}

void test48() {
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 5, 0);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 9, -4);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 10, -5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 10, 11, -5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 1, -9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 19, 2, -9);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 0, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 20, 1, 5);
  test("abcdefghijklmnopqrst", 10, 5, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 9, "", 0, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "", 0, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 2, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 4, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 0, 6, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 2, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 3, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 1, 5, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 1, 8);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 2, 8);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 3, 8);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 2, 4, 8);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 1, 6);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 4, 2, 6);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 5, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 8, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 1, 10, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 2, 5);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 4, 5);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 5, 5);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 5, 6, 5);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 1, 1);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 9, 2, 1);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 10, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 19, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 20, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 0, 21, 10);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 18, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 19, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 1, 20, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 1, 8);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 5, 4);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 9, 0);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 10, -1);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 10, 11, -1);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 1, -9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 19, 2, -9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 0, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 20, 1, 9);
  test("abcdefghijklmnopqrst", 10, 9, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 10, "", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 2, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 4, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 0, 6, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 2, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 3, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 1, 5, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 0, 10);
}

void test49() {
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 1, 8);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 2, 8);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 3, 8);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 2, 4, 8);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 1, 6);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 4, 2, 6);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 5, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 8, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 1, 10, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 2, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 4, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 5, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 5, 6, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 1, 1);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 9, 2, 1);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 10, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 19, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 20, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 0, 21, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 18, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 19, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 1, 20, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 1, 9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 5, 5);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 9, 1);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 10, 0);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 10, 11, 0);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 1, -9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 19, 2, -9);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 0, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 20, 1, 10);
  test("abcdefghijklmnopqrst", 10, 10, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 10, 11, "", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 2, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 4, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 0, 6, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 2, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 3, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 1, 5, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 1, 8);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 2, 8);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 3, 8);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 2, 4, 8);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 1, 6);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 4, 2, 6);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 5, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 5, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 9, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 0, 11, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 4, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 8, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 1, 10, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 1, 5);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 2, 5);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 4, 5);
}

void test50() {
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 5, 5);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 5, 6, 5);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 1, 1);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 9, 2, 1);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 10, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 10, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 19, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 20, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 0, 21, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 1, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 9, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 18, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 19, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 1, 20, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 1, 9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 5, 5);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 9, 1);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 10, 0);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 10, 11, 0);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 1, -9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 19, 2, -9);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 0, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 20, 1, 10);
  test("abcdefghijklmnopqrst", 10, 11, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 19, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 2, -2);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 10, 11, -10);
}

void test51() {
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 19, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 19, 1, "", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "", 0, 1, 1);
  test("abcdefghijklmnopqrst", 19, 1, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 2, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 4, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 5, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 0, 6, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 2, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 3, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 4, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 1, 5, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 1, 17);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 2, 17);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 3, 17);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 2, 4, 17);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 1, 15);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 4, 2, 15);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 5, 1, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 5, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 9, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 10, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 0, 11, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 4, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 8, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 9, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 1, 10, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 1, 14);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 2, 14);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 4, 14);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 5, 14);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 5, 6, 14);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 1, 10);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 9, 2, 10);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 10, 1, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 10, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 19, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 20, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 0, 21, 19);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 9, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 18, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 19, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 1, 20, 18);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 1, 9);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 5, 9);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 9, 9);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 10, 9);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 10, 11, 9);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 1, 0);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 19, 2, 0);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghijklmnopqrst", 19, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 19, 2, "", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "", 0, 1, 1);
  test("abcdefghijklmnopqrst", 19, 2, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 2, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 4, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 5, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 0, 6, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 2, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 3, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 4, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 1, 5, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 1, 17);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 2, 17);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 3, 17);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 2, 4, 17);
}

void test52() {
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 1, 15);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 4, 2, 15);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 5, 1, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 5, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 9, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 10, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 0, 11, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 4, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 8, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 9, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 1, 10, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 1, 14);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 2, 14);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 4, 14);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 5, 14);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 5, 6, 14);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 1, 10);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 9, 2, 10);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 10, 1, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 1, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 10, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 19, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 20, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 0, 21, 19);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 1, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 9, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 18, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 19, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 1, 20, 18);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 1, 9);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 5, 9);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 9, 9);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 10, 9);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 10, 11, 9);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 1, 0);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 19, 2, 0);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 0, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 20, 1, 1);
  test("abcdefghijklmnopqrst", 19, 2, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 20, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 2, -2);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 1, -1);
}

void test53() {
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 20, 0, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 20, 1, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 2, -2);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 4, -4);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 5, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 0, 6, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 2, -2);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 3, -3);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 4, -4);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 1, 5, -4);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 2, -2);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 3, -3);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 2, 4, -3);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 4, 2, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 5, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 9, -9);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 10, -10);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 0, 11, -10);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 4, -4);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 8, -8);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 9, -9);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 1, 10, -9);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 2, -2);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 4, -4);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 5, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 5, 6, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 9, 2, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 10, -10);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 19, -19);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 20, -20);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 0, 21, -20);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 9, -9);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 18, -18);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 19, -19);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 1, 20, -19);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 5, -5);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 9, -9);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 10, -10);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 10, 11, -10);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 1, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 19, 2, -1);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 0, 0);
}

void test54() {
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 20, 1, "abcdefghijklmnopqrst", 21, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "", 0, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "", 0, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "", 1, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 4, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 5, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 0, 6, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 3, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 4, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 1, 5, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 3, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 2, 4, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 4, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 5, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcde", 6, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 5, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 9, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 10, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 0, 11, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 4, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 8, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 9, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 1, 10, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 4, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 5, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 5, 6, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 9, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 10, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghij", 11, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 10, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 19, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 20, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 0, 21, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 9, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 18, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 19, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 1, 20, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 5, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 9, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 10, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 10, 11, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 19, 2, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 0, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 20, 1, 0);
  test("abcdefghijklmnopqrst", 21, 0, "abcdefghijklmnopqrst", 21, 0, 0);
}

int main(int, char**) {
  test0();
  test1();
  test2();
  test3();
  test4();
  test5();
  test6();
  test7();
  test8();
  test9();
  test10();
  test11();
  test12();
  test13();
  test14();
  test15();
  test16();
  test17();
  test18();
  test19();
  test20();
  test21();
  test22();
  test23();
  test24();
  test25();
  test26();
  test27();
  test28();
  test29();
  test30();
  test31();
  test32();
  test33();
  test34();
  test35();
  test36();
  test37();
  test38();
  test39();
  test40();
  test41();
  test42();
  test43();
  test44();
  test45();
  test46();
  test47();
  test48();
  test49();
  test50();
  test51();
  test52();
  test53();
  test54();

  {
    test("abcde", 5, 1, "", 0, 0, 0);
    test("abcde", 2, 4, "", 0, 0, 3);
    test("abcde", 2, 4, "abcde", 3, 4, -2);
    test("ABCde", 2, 4, "abcde", 2, 4, -1);
  }

#ifndef TEST_HAS_NO_WIDE_CHARACTERS
  {
    test(L"abcde", 5, 1, L"", 0, 0, 0);
    test(L"abcde", 2, 4, L"", 0, 0, 3);
    test(L"abcde", 2, 4, L"abcde", 3, 4, -2);
    test(L"ABCde", 2, 4, L"abcde", 2, 4, -1);
  }
#endif

#if TEST_STD_VER >= 11
  {
    test(u"abcde", 5, 1, u"", 0, 0, 0);
    test(u"abcde", 2, 4, u"", 0, 0, 3);
    test(u"abcde", 2, 4, u"abcde", 3, 4, -2);
    test(u"ABCde", 2, 4, u"abcde", 2, 4, -1);
  }

  {
    test(U"abcde", 5, 1, U"", 0, 0, 0);
    test(U"abcde", 2, 4, U"", 0, 0, 3);
    test(U"abcde", 2, 4, U"abcde", 3, 4, -2);
    test(U"ABCde", 2, 4, U"abcde", 2, 4, -1);
  }
#endif

#if TEST_STD_VER > 11
  {
    typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
    constexpr SV sv1{"abcde", 5};
    static_assert(sv1.compare(5, 1, "", 0, 0) == 0, "");
    static_assert(sv1.compare(2, 4, "", 0, 0) > 0, "");
    static_assert(sv1.compare(2, 4, "abcde", 3, 4) < 0, "");
  }
#endif

  return 0;
}
