# Cell Shifts for Polynars

## Introduction

A *polynar* is a plane figure formed by joining equal squares
at whole or half edges.
A *cell shift* is a pair of arrangements of a polyform
that differ in only one cell.
Here I show the shortest possible cell shift for polynars of order 2 and 3,
using as few tiles as possible.

Mark Smith suggested studying cell shifts for polynars.

## Dinars

### √1/2

### √2

## Trinars

### √1/2

### 1

### 1½

### 3

Back to Polyform Cell Shifts
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Polyform Compatibility
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Polyform Curiosities

Col. George Sicherman
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