OLL 54
The algorithm, how to recognise it and how to practise it without cheating.
Recommended algorithm
r U2 R' U' R U R' U' R U' r'11 moves
Alternatives
(U) r U R' U R U' R' U R U2 r'11 moves
How to recognise it
Only the back and left edges are yellow on top. A full bar in front and headlights at the back.
Practise 54 now
Random-state scrambles, a timer and spaced review. Free, on the web and on your phone.