
0 3 0  0 7 0  0 0 5
0 0 4  0 0 0  0 0 3
0 0 0  0 0 0  2 0 0

4 0 0  0 0 6  0 0 1
0 9 0  3 8 4  0 6 0
7 0 0  9 0 0  0 0 2

0 0 1  0 0 0  0 0 0
9 0 0  0 0 0  7 0 0
3 0 0  0 9 0  0 5 0

hard chal 30mar24
