L2 B' L2 B2 L2 D2 R2 F R U' B2 R D2 F2 D L' D L' U'
Solution
y' x'
//
inspection
R2 U' x' D R' D2 R D2
//
cross
y y R' U R U' R' U' R
//
1st pair
U' R U' R' U R U' R'
//
2nd pair
y' R U' R' U' y' R U' R' U' R U R'
//
3rd pair
U' y U' R U R' U R U' R'
//
4th pair
U' R' U' R U' R' U' U' R U' U'
//
OLL(CP)