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Dec 21, 2009 at 4:15 vote accept David Hansen
Dec 14, 2009 at 18:36 answer added David E Speyer timeline score: 4
Dec 14, 2009 at 18:22 answer added Felipe Voloch timeline score: 10
Dec 14, 2009 at 16:59 history edited David Hansen CC BY-SA 2.5
added 128 characters in body
Dec 14, 2009 at 16:18 history asked David Hansen CC BY-SA 2.5