
0 7 0  0 4 0  2 0 0
0 0 0  3 0 0  0 7 9
5 0 6  0 9 0  4 3 0

0 0 0  4 0 0  0 5 0
0 0 7  0 0 0  3 0 0
0 3 0  0 0 8  0 0 0

0 0 1  0 6 0  7 0 3
7 6 0  0 0 9  0 0 0
0 0 2  0 1 0  0 8 0

swordfish
