Mondrian Puzzle

Featuring Gordon Hamilton from Math Pickle.

Shortly after this video was published, Ed Pegg Jr found an improved score for 25x25, an 11 down from 12... See it at the blog: http://www.bradyharanblog.com/blog/mondrian-art-puzzle

Thanks also to Ed Pegg Jr.

Knight's Tour: https://youtu.be/ab_dY3dZFHM

Correction: at 2:55 should read 5151-5050