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