y x2 // inspection
R' U2' y' R' F y' r U' r' // cross
U' R U R' U R U' R' // 1st pair
U' R' U2' R U2 R' U' R U' R' U' R // 2nd pair
L' U' L2' U L' // 3rd pair
U' L' U' L U' r U' r' F // 4th pair
r U R' U' L' U l F' // OLL / EOLS
U' R U R' F' R U R' U' R' F R2 U' R' U2