Chris's submissions for 1208 排列对称串

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Chris
on Jan. 30, 2012, 1:27 p.m.
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484.00 KB
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Chris
on Jan. 29, 2012, 9:59 p.m.
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176.00 KB
Chris
on Dec. 27, 2011, 9:44 a.m.
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176.00 KB
Chris
on Dec. 26, 2011, 10:22 p.m.
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172.00 KB