The WCA regulations (which any competition follows) specifies a uniform distribution over all possible states, excepting ones that take 0 or 1 moves to solve.

The WCA regulations (which any competition follows) specifies a uniform distribution over all possible states, excepting ones that take 0 or 1 moves to solve. https://www.worldcubeassociation.org/regulations/#4b3 https://www.worldcubeassociation.org/regulations/#4b3