201126630303丁楠's submissions for 1187 五位以内的对称素数

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201126630303丁楠
on Nov. 8, 2011, 10:36 p.m.
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201126630303丁楠
on Nov. 8, 2011, 10:23 p.m.
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164.00 KB
201126630303丁楠
on Nov. 3, 2011, 4:53 p.m.
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164.00 KB