6y
Any Rubik's Cube can be solved in 20 moves, but it took over 30 years for anyone to figure that out
In 2010, a group of mathematicians used a bank of supercomputers at Google to show any Rubik's Cube could be solved in 20 moves.
India opener Pratika Rawal is only 25 but she is clearly a woman of many sporting talents, starting with the Rubik's cube.
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