L2 F2 D' B2 D R' F' U' F U2 B2 F' R' B' L2 R' B' L'
Solution
x'
//
inspection
R L u' U2' R' U2 R' F
//
Xcross
U' R' U' R U' R' U R
//
2nd pair
R U' R' d R' U' R
//
3rd pair
U' R U' R' d R2' D' R U R' D R2
//
4th pair / WV
U' R2 U R' U R' U' R U' R2 (D U') R' U R D' U
//
PLL