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20
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Design and Copyright :
Stephan Baumegger
(2014).
X
Y
A
B
C
D
E
Pieces
5 + 2 frames
X
-
Y
are congruent.
Selection
random
Length
7
Goal
7×7×7
Solutions
1 / 16
Moves
20.14.4.2.2.2
Apr 9, 2015 by k16@chiba.email.ne.jp