201026810323's submissions for 1208 排列对称串

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201026810323
on Dec. 9, 2010, 1:39 p.m.
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201026810323
on Dec. 9, 2010, 1:34 p.m.
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172.00 KB
201026810323
on Dec. 9, 2010, 1:30 p.m.
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172.00 KB