F' L2 F' D2 U2 B D2 B2 L2 D F L B L' U' R' F R2 D2 L2

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