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