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