One of these turned up more or less by accident in a solution to one of Rene's puzzles. Since no solutions using it were warehoused, I made a machine to archive the technique.
[img=http://www.byond.com/rsc/byond_button6.gif] BYOND is a program that lets you make online multiplayer games with a simple programming language (and obviously you can also play the games). Find out more by clicking this button.