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