9

4 Keys


4 Keys Design and Copyright : 陳啟仁 (Chi-Ren Chen) (2015).

A B C
D E F
G H
Pieces 6 +frame F-H are congruent.
Selection random
Goal 8×8×6
Holes 25
Solutions 1 / 131
Moves 13.7.3.1.2

Nov 25, 2015 by k16@chiba.email.ne.jp