x2 y // inspection
F' U' D' z' U' R' U2' // cross
z y U' R' U R // 1st pair
y' R U R' y' U' R U R' // 2nd pair
y U' U' R' U' R U' U' R' U2' R // 3rd pair
R U' R' // 4th pair
U2' R U R' U R U' R' U' R' F R F' // OLLCP
R' U' R U' R U R U' R' U R U R R U' R' U // EPLL