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