x2 y // inspection
R' D F D F2 D // cross
L U' L' U' y' R' U R // 1st pair
R U' R' y' R U R2' U' R // 2nd pair
U R U' R' U' L' U' L // 3rd pair
y' R' U2' R U R' U' R // 4th pair
F R U R' U' F' U' R' U' F U R U' R' F' R // OLL(CP)
R2 U R U R' U' R' U' R' U R'