Permanent URL: https://mezzacotta.net/garfield/?comic=522
Strip by: Bill Gilliland
The author writes:
The easiest way to see the output of this script is to use codepad.org.
Or you can also paste it into a text file and run it from a Unix terminal. I also attached a little screen capture of the output (zoomed out so the effect shows up better).
I could give you a detailed spoiler of why it works, but then it wouldn't be obfuscated, would it? ;)