回复：Is that true

来源: yma16 于 2011-05-22 05:47:17 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (96 bytes)
回答: Is that true 由 yma16 于 2011-05-21 22:33:51

I googled it.  It is false. 

I think it is true if they are continuous.

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