6
1001
1277
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8
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-2
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5
101000000000100000000000000000000000000000000000000000000001000000000000000001000
-1
100000000000000000000000000000000000000000000001000000000000000000000000000000000
100000010000000000000000000000001000000000000000000000000000000000000000000010000
