So, apparently, the purpose of world travel is not to broaden the mind but to be able to say, "I've been there!" while watching this video. Actually, I teared up a little when they were in Chicago. Amber, I'm pretty sure Tonga gets two shout outs.
You can find out more about this project here.
Exercises for Programmers: 57 Challenges to Develop Your Coding Skills - Chapter 3, Paint a Room - L-Shaped - Here it gets a bit more interesting...the goal is L-shaped. I should have let people pick the kind of room and used one app. That's not a difficult mashu...