Only the left and right edges are yellow on top, with headlights on both the left and right sides.
Algorithms
r' U' r U' R' U R U' R' U R r' U r
14 moves
YOURS
r U r' U R U' R' U R U' R' r U' r'
14 moves
Relations
Your algorithm backwards
r' U' r R' U' R U R' U' R U r' U r
solves OLL 53
That's why your scrambles are never the inverse of the algorithm: you'd be practising OLL 53 without knowing it. CubeDojo builds a random state with this case and checks it comes out.