©1998 Junichi Yananose
![Pieces of Bumpy Pentominoes](/images/bumpy_pentominoes01.jpg)
![Can you make?](/images/bumpy_pentominoes02.jpg)
Pieces: Zelkova
Box: Teak etc.
F,L,N,P,Y and Z pentomino have two types of connecting. So Bumpy Pentominoes have 64 types of assembly.
This assembly has fewest solution when you make 6 by 10 and 8 by 8(with O tetromino) rectangle.
You can also make 5 by 12 and 4 by 15 rectangle.
VRML-solution for 4 types of rectangle is available here.
![VRML-solution](/images/bumpy_pentominoes03.jpg)