Scramble

R' U R2' D r' U2' r D' R2' U' R

Solutions

R' U R2 D r' U2 r D' R2 U' R

y2 R U' R2 D' r U2 r' D R2 U R'

y2 R' U' R U' R' U R U R' F' (R U R' U') R' F R2