OLL · Corners done

OLL 57

Don't know it

Learning

I know it

Mastered

How to recognise it

All four corners and the left and right edges are yellow on top: hold that line left to right. The front and back edges show their yellow on the sides.

Algorithms

R U R' U' M' U R U' r'

10 moves

YOURS

Relations

Your algorithm backwards

r U R' U' M U R U' R'

solves OLL 28

That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 28 without knowing it. CubeDojo builds a random state with this case and checks it comes out.

BEST

—

MEAN

—

ATTEMPTS

NEXT REVIEW

—