han's submissions for 1031 对称串

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han
on April 4, 2010, 3:27 p.m.
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han
on April 4, 2010, 2:39 p.m.
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han
on April 4, 2010, 2:32 p.m.
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han
on April 4, 2010, 2:25 p.m.
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164.00 KB