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Re:应该是：

Posted by xingchen12 at 2009-08-06 14:28:36 on Problem 1589
In Reply To:应该是： Posted by:majia001 at 2006-08-17 14:05:48 
> ------------------------------------------------------------
> a  c  e  g  i  k  m  o  q  s  u  w  y
> b  d  f  h  j  l  n  p  r  t  v  x  z
错的。。。！！
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