From: Bob Showalter <bob_showalter@...>
Date: 2006-01-23T13:21:15+09:00
Subject: Re: [QUIZ][SOLUTION] Grid Folding (#63)

My solution is at 
http://users.adelphia.net/~showaltb/rubyquiz/63/fold.rb, made without 
peeking at other solutions.

I only did the first extra credit. The extra extra credit looks hard!