# Pentapent Oddities

## Introduction

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 pentapents.
Please write if you find a smaller solution or solve the unsolved case.
## Basic Solutions

### Unsolved

## Fivefold Rotation

Pentapents may also have horizontal mirror symmetry with fivefold
rotation:

### Unsolved

### Impossible

Last revised 2023-11-02.

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Polyform Curiosities

Col. George Sicherman
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