Yellow on top: the left and front edges and the two back corners, with headlights on the front side.
Algorithms
R' U' R U' R' U2 R F R U R' U' F'
13 moves
YOURS
Built from
Sune + OLL 45
OLL 27 · Sune · backwards
Sune
R' U' R U' R' U2 R
Case
OLL 45
F R U R' U' F'
Relations
Mirror
OLL 41
Your algorithm backwards
F U R U' R' F' R' U2 R U R' U R
solves OLL 41
That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 41 without knowing it. CubeDojo builds a random state with this case and checks it comes out.