Polybird Oddities
An oddity
is a figure with binary symmetry formed by an odd number of copies of
a polyform.
Here are the minimal known oddities for polybirds
of orders 1–6.
Please write if you find a smaller solution or solve an unsolved case.
Monobirds
Dibirds
Tribirds
Tetrabirds
Impossible
Pentabirds
Impossible
Hexabirds
1 Tile
3 Tiles
7 Tiles
9 Tiles
11 Tiles
Last revised 2021-12-13.
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Polyform Curiosities
Col. George Sicherman
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