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