# Polydec 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 lateral and diagonal oddities for polydecs
of order 3 and 4.
Please write if you find a smaller solution or solve an unsolved case.

Last revised 2011-08-30.

Back to Polyform Oddities.

Back to Polyform Curiosities.

Col. George Sicherman
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