A pentomino consists of five equal-sized squares attached edge-edge to form
some shape. There are twelve possible pentominos that can be formed in this way
(plus their reflections and rotations). In this program, each piece is
represented by a different color.
Consider an 8-by-8 board, consisting of 64 squares. If you select four
squares, can the remaining 60 squares be filled in with the twelve pentominos?
The Java applet will try
to solve this puzzle. Select four squares by clicking on them.