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