PLL E
The algorithm, how to recognise it and how to practise it without cheating.
Probability1/36
Moves16
TypeDiagonal swap
Inverse and mirror—
Recommended algorithm
x' R U' R' D R U R' D' R U R' D R U' R' D' x16 moves
How to recognise it
No side has headlights: every side shows opposite colours on its corners. Hold it so that, on the front, the left corner has the left edge's colour and the right corner the right edge's.
Practise E now
Random-state scrambles, a timer and spaced review. Free, on the web and on your phone.