Spiral

Spiral Design and Copyright : Klaas Jan Damstra (2019).

A		B		C
D		E		F

G		H		I
J		K		L

XXXX..X|...X..X|...X..X|X..X..X|X..X...|X..X...|XXXX...
X.....X|.......|.......|X.....X|.......|.......|.......
X.....X|.......|.......|X.....X|.......|.......|.......
XXXXXXX|.......|.......|X.....X|.......|.......|XXXXXXX
.......|.......|.......|X.....X|.......|.......|X.....X
.......|.......|.......|X.....X|.......|.......|X.....X
...XXXX|...X..X|...X..X|X..X..X|X..X...|X..X...|X..XXXX

Pieces	12 + frame	A-F, G-L are congruent.
Selection	sextuple
Goal	7×7×7
Solutions	1 / 2
Moves	15.2.3.2.2.1.2.1.2.2.2

Jan 8, 2019 by k16@chiba.email.ne.jp