R U2 R2 B2 R' F2 R2 F2 U2 R2 U' R2 D' R' U F U' B2 F L

x2 y // inspection
R2' F R L D' // cross
y' R U' R2' U' R // 1st pair
y' R' U U R U' R' U R // 2nd pair
U R U' R' L' U L // 3rd pair
U U R U' R' U R U R' // 4th pair
U F R' F' r U R U' r' // OLL
U' U' R2 U R' U R' U' R U' R2' D U' R' U R U' D' U' // PLL