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4
Elegant
Design and Copyright :
Frank Worrell
(2009).
A
B
C
D
E
F
G
H
I
Pieces
9
A
-
H
are congruent.
Selection
identical
Size
7×5
Goal
7×7×7
Holes
37
Solutions
1 / 98,304
Moves
6.5.3.1.2.3
Sep 8, 2010 by k16@chiba.email.ne.jp