Spiral Lock

Spiral Lock Design and Copyright : Christoph Lohe (2017).

A		B		C

D		E

XXXXXX|XXXXXX|XXXXXX|XXXXXX
X....X|XX...X|X....X|X....X
X....X|XX...X|X...XX|X....X
X....X|X....X|X....X|X....X
X....X|X....X|X....X|X....X
XXXXXX|X....X|X....X|XXXXXX

Pieces	5 +frame	D-E are congruent.
Selection	random
Goal	6×4×9
Solutions	1 / 5
Moves	21.3.3.2.2

Nov 20, 2017 by k16@chiba.email.ne.jp