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