read through this, interesting i say 
! I" e1 ]0 q8 K) ]公仔箱論壇
A4 Q( n1 o4 u: Q( l8 ubut this one -- "1.没有一张纸可对折超过9次" ... ...+ y/ z/ o0 ?6 Q2 {) e! J% {
公仔箱論壇4 ^; T8 j$ N' l# e; L
correct me if i'm wrong: i think i've heard that "... not to be able to fold up more than 6 times" ... ... ... ...
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and i've tired... really, it's hard as hell, or, should i say, impossible to fold the 7th times ?! $ m/ L% Z# O8 p) P8 G
3 X! `% n) P8 Q: f& l Vanyway, thanks for sharing this interesting topic to us all  |