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menu
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shape
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4
U2
Design and Copyright :
陳啟仁
(Chi-Ren Chen) (2012).
A
B
C
D
Pieces
4 +frame
C
-
D
are congruent.
Selection
random
Length
6
Goal
6×6×6
Holes
46
Solutions
1 / 12
Moves
28.6.3
May 18, 2011 by k16@chiba.email.ne.jp