From Twitter https://twitter.com/drsekula: RT @P_SnowLeopard: "Algorithms for Solving Rubik's Cubes" http://arxiv.org/abs/1106.5736 #puzzle #math #CS https://twitter.com/P_SnowLeopard/status/635578288547622912/photo/1 https://chirp.cooleysekula.net/attachment/3247