Rubik's Cube press coverage boosts Drumond Park

Google computers have proved the puzzle can be solved in just 20 moves.
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BBC News, The Independent, The Daily Mail and many other sites have all picked up on the news that the notoriously difficult cube puzzle can always be solved in 20 moves - known as 'God's Number' by the research team.

Using one of Google's supercomputers, an international team of enthusiasts in California found that no matter what its starting position, there is never more than 20 moves needed to solve the Rubik's Cube. 

In fact, only 300 million starting positions - a small fraction of the total number – require a full 20 moves, with the majority of solutions taking between 15 and 19.

The results of the research have been published at and Prof Davidson, part of the team, said they would now be submitted to peer-reviewed journals.

"People are welcome to verify the code," he said.

However, the team may not be done with the Rubik's Cube just yet.

They may now turn their attention to the four-layered version or other mathematical problems related to the classic cube.

"It's the universal popularity of the puzzle - it's probably the most popular puzzle in human history," Davidson commented.



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