Orthogonality

Orthogonality Design and Copyright : Klaas Jan Damstra (2017).

A	B	C
D	E	F
G	H	I

XXXXXXX|X.....X|XX...XX|X.....X|XX...XX|X.....X|XXXXXXX
X.X.X.X|.......|.......|.......|.......|.......|X.X.X.X
X.X...X|XXX...X|.......|.......|.......|X.....X|X.....X
X.....X|.......|.......|.......|.......|.......|X.....X
X.....X|X.X...X|..X....|.......|.......|X.....X|X.....X
X.X.X.X|..X....|.XX....|.......|.......|....X..|X.X.X.X
XXXXXXX|X.....X|XX...XX|X.....X|XX...XX|X.....X|XXXXXXX

Pieces	9 + frame	B-I are congruent.
Selection	random
Goal	7×7×7
Solutions	1 / 6,240
Moves	29.30.23.16.7.10.6.5.2

Nov 28, 2017 by k16@chiba.email.ne.jp