x2 // inspection
U' R' U' F R' D y' R2 D2 // Xcross
U' y' z R U' R' U z' y' U' R U R' // 2nd pair
U' y R U R' U' R' U' R U' y R U R' // 3rd pair
y' U' U' R U' R' U' R U R' U' R U R' // 4th pair
F U R U' R' y' R' // OLL
y R' U R U' x' U R U' U' R' U' R U' R' U' U' R U R' U'