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