y x2 // inspection
U' R' U l' U L D x' D2 // cross
U' y U R U R' U R U' R' // 1st pair
U' L' U' L2 U U L' // 2nd pair
y U R U' R' U y' L' U' L // 3rd pair
(R' U' R U)2 R' U' R // 4th pair
R' F U R U' R2' F' R2 U R' U' R // OLL(CP)
R' U R' U' R3 U' R' U R U R2' U2