Do you have any troubles doing the stupid time puzzles in FFXIII-2? I got stuck in Oerba 300 AF, and I found this. Figured I'd share it if anyone's had the same problem.
Hands of Time Puzzle - Final Fantasy 13-2 Wiki Guide - IGN
Basically just download, and double click. It will open up in microsoft excel. Basically gives you the answers to any set of numbers you may have. Pretty slick if you ask me!