This seemed like a really fun challenge to partake in: [URL=“http://instagram-engineering.tumblr.com/post/12651721845/instagram-engineering-challenge-the-unshredder”]http://instagram-engineering.tumblr.com/post/12651721845/instagram-engineering-challenge-the-unshredder
Some of the solutions I found from searching the web were pretty clever. This is my favorite: [URL=“http://www.joelambert.co.uk/unshred/”]http://www.joelambert.co.uk/unshred/