*Hisao Shimomachi (Morioka Third High School)*

* Katsuyoshi Nakahara(Hiroshima Jyogakuin High School)*

fig.1

Hexomino is generally defined as a
figure consisting of six squares. (See
fig1)

Hexomino can be studied from various points of views.

fig.2

You can find 35 different
kinds of Hexomino including the figures in fig.1.

Hexomino-Puzzle is generally defined as
a puzzle toy consisting of all 35

kinds of pieces to make up
a rectangular with a square sticking out of the top

in the center. (See
fig.2) A Japanese company, TENYO
sells this toy.

You can find not
less than a few hundred million kinds of varieties.

fig.3

The Umbrella Japan
Mandelbrot Set The cross Into the cross

This is by
far more complicated and difficult than a well-prevailed Pentomino-Puzzle.

You can enjoy making puzzles showing various kinds of figures.

These puzzles keep us entertained and never bored. (See fig.3)

We would like to
introduce Hexominof s following points:

1. Hexomino
exhibits fun with pictures, puzzles and mathematically interesting figures etc.

2. The
examination of transformation to increase the variety of the puzzlefs view.

3. Various
topics concerning Hexomino in the field of mathematics.

We hope
you will enjoy our poster presentation.