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