3 by 3 puzzle solver July 8, 2019 16 32 64 128 3 by 3 slide puzzle solver 3 by 3 lights out puzzle solver 3 x 3 puzzle solver 3 by 3 sliding puzzle solver 3 by 3 number puzzle solver 3 by 3 light puzzle solver 3 by 3 cube puzzle solver 3 by 3 cube puzzle solution short