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