OLL · C shapes

OLL 34

R
U
R2
U'
R'
F
R
U
R
U'
F'
How to recognise it
A C shape: the left and right edges with the two front corners. The back corners' yellow faces left and right.
Algorithms
Relations
Your algorithm backwards
F U R' U' R' F' R U R2 U' R'
solves OLL 37
That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 37 without knowing it. CubeDojo builds a random state with this case and checks it comes out.
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