Pentomino

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Revision as of 13:30, 23 December 2010 by *>Michel.rigge
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A pentomino is a polyomino of five squares.

The ancient pentomino puzzle uses free pentominoes. The recent iPhone game Twinflix mostly uses pentominos in its gameplay.

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..

R and F

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

S and Z

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

J and L

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

Y' and Y

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

H and N

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

P and Q

External links