x y2 // inspection
D' L l' (U2 x') u' // cross
U' R U R' d R' U' R // 1st pair
U' y' R' U' R U2 R U' R' // 2nd pair
y' L U' L' // 3rd pair
U' U' R U' R2' F R F' // 4th pair / EOLS
R U' U' R2' U' R2 U' R2' U2 R // OLL
U F R U' R' U' R U R' F' R U R' U' l' U R U'