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0 0 0 0 0 0 3 0 0
0 0 0 0 2 0 0 0 0
0 2 0 0 0 0 0 4 0
0 0 0 0 5 0 0 0 0
0 7 0 0 0 0 0 2 0
0 0 0 0 3 0 0 0 0
0 0 4 0 0 0 0 0 0
0 0 0 0 0 0 0 0 8
