Pi
The algorithm, how to recognise it and how to practise it without cheating.
Probability1/7
Moves9
TypeYellow face
Inverse and mirror—
Recommended algorithm
R U2 R2 U' R2 U' R2 U2 R9 moves · R and U only
How to recognise it
No corner shows yellow on top and only one side has headlights. Hold them on the left.
Practise Pi now
Random-state scrambles, a timer and spaced review. Free, on the web and on your phone.