Setup:
R U2 R D R' U R D' R' U' R' U R U R'
(R U R' F') (R U2' R') U2' (R' F R) U (R U2' R')
(R U' R' U') (R U R' U) R' D' (R U' R') D R2 U R'
y R U' R2' D' (R U R') D R (U' R U' R') (U R U R')
y’ (L U2 L') U2 L F' (L' U' L U) L F L2
y (R U2' R') U' R' F' R U2 (R U2' R') (F R U' R')