x' y
//
inspection
R' D R D F' (U' D)
//
cross
R' U R U' R' U' R
//
1st pair
U' R U R' L' U L
//
2nd pair
U' U U R U' R' U' L U' L'
//
3rd pair
U R U' R' d U R' U' R
//
4th pair
R' U' U' R U R' U R U F R U R' U' F'
//
OLL
U' R' U L' U U R U' R' U' U' R r
//
PLL