9

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