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It takes atmost 20 optimal moves to solve a Rubik's cube, was just curious to see the cube on other end of the diameter.

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  • I believe the superflip is the configuration believed to take the most moves to return the cube to the solved state, and it can be solved in 20 moves. But I have no proof that it cannot be solved in fewer than 20 moves, and I don't know of any better ways of proving this sort of thing other than what essentially boils down to brute force. – stanley dodds May 29 '19 at 11:23
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    Here you are: http://www.cube20.org/distance20s/ – The Pheromone Kid May 29 '19 at 11:35

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