# Tetrahept 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 tetrahepts.
Please write if you find a smaller solution or solve an unsolved case.
## Horizontal Lateral

## Vertical Lateral

### Unsolved

### Impossible

## Birotary

### Impossible

*Last revised 2012-10-01.*

Back to Polyform Curiosities.

Col. George Sicherman
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