x y2 // inspection
F R U L F' D2 // cross
U2 R U' R' U' F U' F' // 1st pair
y U' R' U R // 2nd pair
R U' R' U' R U R' // 3rd pair
y' U' U' y' R' U' R U' U' R' U R // 4th pair
U2 R U R' U' R' F R2 U R' U' F' // OLL(CP)
U' R2 U R U R' U' R' U' R' U R' U