B F' L2 R F L' R B U2 B' F' U R B' L' R' U2 R2 U' B2 R U2 F' R' B

y' x // inspection
U R z' R' U x U' R' z' R2 // cross
y' U2' R' U R // 1st pair
U' z U R' U' (x' z') U' R' U R // 2nd pair
U' R U R' y' U R' U' R // 3rd pair
R' U2' R2 U R2 U R // 4th pair
U x U x' R U R' U' F' // OLL
R U R' U R' U' R' U R U' R' U' R2 U R U' // PLL