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