x y' // inspection
U' R2 D R' y' R' F R // cross
R U' R' U y' U R' U' R // 1st pair
U R U' R' L' U' L // 2nd pair
U R U' R' L U2 L' // 3rd pair
d R' U' R U R' U' R // 4th pair
U F R U R' U' R U R' U' F' // OLL
U' R U R' F' R U R' U' R' F f' f R2 U' R' U // PLL