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