Galvagni Figures & Reid Figures for Octominoes
A octomino is a figure made of eight squares joined
edge to edge.
A Galvagni figure is a figure that can be tiled by a polyform
in more than one way—a kind of self-compatibility figure.
A Reid figure is a Galvagni figure without holes.
Some of these figures were found by
Michael
Reid of the University of Central Florida.
For pentominoes, see Galvagni Figures & Reid Figures
for Pentominoes.
For hexominoes, see Galvagni Figures & Reid Figures
for Hexominoes.
For heptominoes, see Galvagni Figures & Reid Figures
for Heptominoes.
Here are minimal known Galvagni figures and Reid figures for octominoes.
Galvagni Figures
2 Tiles
3 Tiles
4 Tiles
6 Tiles
8 Tiles
10 Tiles
12 Tiles
16 Tiles
20 Tiles
28 Tiles
40 Tiles
52 Tiles
64 Tiles
72 Tiles
Unsolved
Impossible
Hypersymmetric Variants
Reid Figures
Hypersymmetric Variants
Last revised 2015-04-27.
Back to Galvagni Compatibility
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Polyform Compatibility
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Polyform Curiosities
Col. George Sicherman
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