FFXIII-2 Fragment Location Guide | (#68) Bittersweet Chiffon
Oerba (400AF) - Time Paradox Crystal Bonds Puzzle Guide
Oerba (400F) is full of paradox puzzles. You'll find this one behind Chocolina's shack. Take a look at the video to get an idea of how to solve these Crystal Bond puzzles, and you'll net yourself Fragment of Time #68 - Bittersweet Chiffon.