U x' R2 U' R' U2 y' R U' x' R2 U'

U' x U R' U' x' R2 U R'

U' R U' y R U2 R' F'

R U r' U' R U r R2

x (U R' U' R)2x

d R' U' R U' R' U' R y R U R'

U2 y' R' U R y R U R'

R U R' U' R U R'