ThisIs NOT an accident ?Therre is a Thm to verify it...,But we c

来源: 于 2012-02-19 07:08:00 [旧帖] [给我悄悄话] 本文已被阅读：次

25 52 , 41 14.that means 2,4 don't change.The others are in a 3-cycle.