OLL · Lightning bolts

OLL 39

L
F'
L'
U'
L
U
F
U'
L'
How to recognise it
A big lightning bolt: the left and right edges with the front-left and back-right corners. The front-right corner's yellow faces right.
Algorithms
Built from
L + OLL 43 + U' L'
Loose moves
L
Case · backwards
OLL 43
F' L' U' L U F
Loose moves
U' L'
Relations
Mirror
OLL 40
Your algorithm backwards
L U F' U' L' U L F L'
solves OLL 32
That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 32 without knowing it. CubeDojo builds a random state with this case and checks it comes out.
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