Tetrapent 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 tetrapents. Please write if you find a smaller solution or solve the unsolved case.

Bilateral on Cell

Bilateral on Edge

Impossible

Unsolved

Birotary

Impossible

Each of these tetrapents has three cells pointing in the same direction.

Double Bilateral

Impossible

Unsolved

Full

Impossible

Unsolved

Last revised 2015-05-08.


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Col. George Sicherman [ HOME | MAIL ]