It's not the (URL) world's fastest LEGO Rubik's cube solver>, but this one can solve 2×2, 3×3, 4×4, 5×5, and 6x6 cubes. (URL) The 6x6 cube solver is not technically the same robot -- it's a larger version. (15 years ago, 29-Apr-10, to lugnet.robotics, FTX) !
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