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3
GELO-2309
Design and Copyright :
Oleg Smol'yakov
(2024).
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
Pieces
21
A
-
K
,
L
-
U
are congruent.
Selection
pair
Goal
13×13
Holes
0
Solutions
1
Mar 20, 2024 by k16@chiba.email.ne.jp