Click on the squares to change their color. Up/down arrows to change input Space to begin design changing [IMPORTANT: Press the green flag or clear the board if you want a new pattern] Take the Design# of a pattern you want, put it into the design input and press space. Put the number of your pattern in the comments!
This is actually infinitely expandable, to a point. This is just a small demonstration of what is possible. It uses a binary type system to determine what boxes will be black, since each number can only be written in binary one way (for example, 63 can only be written as 111111).