y x2
//
inspection
F R' y2' F y' y' D R D R
//
cross
U2 R U' R'
//
1st pair
y' U2 R U R' L' U L
//
2nd pair
y' y' R2 U' U' R' U' R U' R2'
//
3rd pair
y U R' U' R U' R' U' R
//
4th pair
l' U' L' U R U' L U (x' y)
//
OLL
U U (l R) u' R' u (l R) y' R' U R' U' R2 D D
//
PLL