Pentomino: Difference between revisions

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A '''pentomino''' is a [[piece|polyomino]] of five squares.
A '''pentomino''' is a [[piece|polyomino]] of five squares. The ancient [[pentomino puzzle]] uses free pentominoes.
 
The ancient [[pentomino puzzle]] uses free pentominoes.
The recent [[iPhone]] game [[Twinflix]] mostly uses pentominos in its gameplay.


== The shapes ==
== The shapes ==

Revision as of 03:16, 27 March 2023

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

..........
..IIIII...
..........

I

...TTT....
....T.....
....T.....

T

...G.G....
...GGG....
..........

U

...L......
...L......
...LLL....

V

...Z......
...ZZ.....
....ZZ....

W

....T.....
...TTT....
....T.....

X

Chiral

These come in mirrored pairs:

.J......L.
.JJJ..LLL.
..J....L..

F

..SS..ZZ..
..S....Z..
.SS....ZZ.

Z

J........L
JJJJ..LLLL
..........

L

.I......I.
IIII..IIII
..........

Y

..SS..ZZ..
SSS....ZZZ
..........

N

.OO....OO.
.OOO..OOO.
..........

P

Naming conventions

This section needs expansion. You can help TetrisWiki by expanding it.

There is no universally agreed upon convention for naming one-sided pentominoes.

Official games that use pentominoes

Incomplete.

Non-official games that use pentominoes

Very incomplete.

External links