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13

2018

2018 Design and Copyright : Klaas Jan Damstra (2018).

A B C
D E F
G H I
J K L
M N O 
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XXX...XXX|XXXXXXXXX|XX.....XX|.X.....X.|.X.....X.|.X.....X.|XX.....XX|XXXXXXXXX|XXX...XXX
XXX...XXX|XXX...XXX|X.....XXX|.........|.........|.........|X.X.....X|XXX....XX|XXX...XXX
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XXX...XXX|XX.....XX|X.......X|.........|.........|.........|X.......X|XX.....XX|XXX...XXX
XXX...XXX|XXXXXXXXX|XX.....XX|.X.....X.|.X.....X.|.X.....X.|XX.....XX|XXXXXXXXX|XXX...XXX
XXX...XXX|XXX...XXX|XXX...XXX|.........|.........|.........|XXX...XXX|XXX...XXX|XXX...XXX
Pieces 15 + frame A-C, D-G, H-K, L-O are congruent.
Selection pair
Goal 9×9×9
Holes 106
Solutions 1 / 7,936
Moves 17.25.8.6.5.5.4.2.3.2.2.3.4.3
Jan 16, 2018 by k16@chiba.email.ne.jp