x' y // inspection
F D R' F' // pseudo cross
U' R U' R' u // Xcross
R' U R U' R' U' R // 2nd pair
U2 R U' R' U y' L' U' L // 3rd pair
R' U R U' R' U2 R U' R' U R // 4th pair
U' r U R' U' r' R U R U' R' // OLL
U' R U R' U' R' F R2 U' R' U' R U R' F' U'