Christmas Lights

23 Dec 2010

Did you read yesterday's post, Christmas Conundrum? If you didn't, and you like puzzles, you should read that first.

As promised, I'm going to be providing a hint, but before I do, I want to congratulate Christer Edvartsen. He was the first person to email me the solution and win the $100 prize from WonderProxy. So far, only one other person has managed to solve the puzzle. Maybe you can be the third?

Without further ado, here's the hint: