OLL 55
I · 3 of 9 top stickers yellow
R U2 R2 U' R U' R' U2 F R F'11 moves · Probability 1/108

Setup: apply these moves to a solved cube to reach this case
F R' F' U2 R U R' U R2 U2 R'Other algorithms
Dashed keys are AUF: a U turn that lines the top layer up with this algorithm.
UR'FRURU'R2F'R2U'R'URUR'