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