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