x2 // inspection
D2 R D y' U' R' F // cross
U' R U' U' R' U R U R' // 1st pair
U' y' R U' R' U R U R' // 2nd pair
y' R U' R' U' R U R' U' U' R U R' // 3rd pair
y2' R' U R U' R' U' R // 4th pair
r U R' U R U' U' r' // OLL(CP)
U y z U' R U' R' U' R' U' R U R U2'