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