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