# Pentomino

Revision as of 03:36, 8 February 2008 by *>Tepples (show them)

A **pentomino** is a polyomino of five squares.

The ancient pentomino puzzle uses free pentominoes.

## The shapes

There are 12 free pentominoes. Six of them are chiral, making a total of 18 one-sided pentominoes.

### Symmetric

I |
T |
U | |||

V |
W |
X |

### Chiral

These come in mirrored pairs:

R and F |
S and Z |
J and L | |||

Y' and Y |
G and N |
P and Q |