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7
GELO-1646
Design and Copyright :
Oleg Smol'yakov
(2020).
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
Pieces
21
A
-
J
,
K
-
U
are congruend.
Selection
pair
Goal
5×5×5
Holes
0
Solutions
2
May 11, 2020 by k16@chiba.email.ne.jp