OLL 16
Knight move · 4 of 9 top stickers yellow
r U r' R U R' U' r U' r'10 moves · Probability 1/54 · Mirror: OLL 15

Setup: apply these moves to a solved cube to reach this case
r U r' U R U' R' r U' r'Knight move · 4 of 9 top stickers yellow
r U r' R U R' U' r U' r'10 moves · Probability 1/54 · Mirror: OLL 15

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