回复：I construct for you. I learned from BUYI.using "o",

来源: jinjing 于 2011-08-09 16:27:21 [] [旧帖] [给我悄悄话] 阅读数 : (404 bytes)
回答: I construct for you. 由 jinjing 于 2011-08-09 15:59:07

            o1

         o2     o3    connecting o1 and o6  , one o7 is near o1 1unit,o8 is near o6 1unit

         o4     o5

            o6

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