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