OLL 15
Knight move · 4 of 9 top stickers yellow
r' U' r R' U' R U r' U r10 moves · Probability 1/54 · Mirror: OLL 16

Setup: apply these moves to a solved cube to reach this case
r' U' r U' R' U R r' U rKnight move · 4 of 9 top stickers yellow
r' U' r R' U' R U r' U r10 moves · Probability 1/54 · Mirror: OLL 16

r' U' r U' R' U R r' U r