OLL · Fish

OLL 10

R
U
R'
U
R'
F
R
F'
R
U2
R'
How to recognise it
A fish: the left and front edges with the back-right corner. The front-right corner's yellow faces you.
Algorithms
Relations
Mirror
OLL 9
Your algorithm backwards
R U2 R' F R' F' R U' R U' R'
solves OLL 8
That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 8 without knowing it. CubeDojo builds a random state with this case and checks it comes out.
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