0 0 0 0 0 0 0 8 5
7 0 0 2 1 0 0 0 9
9 6 0 0 8 0 1 0 0
5 0 0 8 0 0 0 1 6
0 0 0 0 0 0 0 0 0
8 9 0 0 0 6 0 0 7
6 1 9 3 7 8 4 5 2
3 0 0 0 5 4 0 0 0
4 8 0 0 0 0 0 0 0
