Program your favorite phrase
Piet (honorary answer)



Snakes its way downwards, running out the right through blue and re-entering through green. Prints out "Fruit flies like a banana."

I used PietCreator to make this, but you can try it out here. Remaking Piet programs is a pain, so I started out at 35x35 and continued that way, meaning that I used a lot more codels than I needed.

Actual size versions