Awesome, I love Piet! I wrote the "Alpha" example program on <a href="http://www.dangermouse.net/esoteric/piet/samples.html" rel="nofollow">http://www.dangermouse.net/esoteric/piet/samples.html</a> as an exercise to learn Piet while solving Card #234 of Perplex City - <a href="http://perplexcitycardcatalog.com/1/234/" rel="nofollow">http://perplexcitycardcatalog.com/1/234/</a><p>All of DM's esoteric languages are pretty interesting: <a href="http://www.dangermouse.net/esoteric/" rel="nofollow">http://www.dangermouse.net/esoteric/</a>