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