10

4 Keys


4 Keys Design and Copyright : Alfons Eyckmans (2020). ☞ 4 Keys (Chen)

A B C
D E F
G H
Pieces 8 + frame A-B are congruent.
Selection random
Goal 12×12×6
Holes 13
Solutions 1 / 28
Moves 20.4.6.2.2.2.2

Aug 5, 2020 by k16@chiba.email.ne.jp