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