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