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13
Whelan
Design and Copyright :
Alfons Eyckmans
(2017).
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
Pieces
19
F
-
G
are congruent.
Selection
random notchable
Length
10
Goal
10×10×10
Holes
156
Solutions
1 / 66,720
Moves
23.3.8.5.3.1.1.1.2.2
Apr 11, 2017 by k16@chiba.email.ne.jp