12
4
12
17
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1 0 0 0 1 0 0 1 0 0 0 1
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1 0 0 1 0 1 0 0 0 1 0 0
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0 1 0 1 0 0 0 1 0 0 1 0
1 0 0 1 0 0 0 1 1 0 0 0
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0 1 0 0 0 1 0 0 1 0 0 1
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0 0 0 1 1 0 0 0 1 0 0 1
0 0 1 0 1 0 0 1 0 0 0 1
0 1 0 0 1 0 0 1 0 1 0 0
0 0 1 0 0 1 0 1 0 0 0 1
1 0 0 0 1 0 0 1 0 0 0 1
1 0 0 1 0 0 0 1 0 0 1 0
1 0 0 1 0 1 0 0 0 1 0 0
0 0 1 0 0 1 0 0 0 1 1 0
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0 1 0 1 0 0 0 1 0 0 1 0
1 0 0 1 0 0 0 1 1 0 0 0
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0 1 0 0 0 1 1 0 0 0 1 0
0 1 0 0 1 0 1 0 0 1 0 0
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0 0 0 1 1 0 0 0 1 0 0 1
0 0 1 0 1 0 0 1 0 0 0 1
0 1 0 0 1 0 0 1 0 1 0 0
0 1 1 0 0 0 1 0 0 1 0 0