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