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