y // inspection
U' R' F R' D F' // cross
L U2 L' U L U' L' // 1st pair
y' R' U2' R U R' U' R // 2nd pair
U R U2' U U' R' d R' U' R // 3rd pair
U' L' L L' U' L U' L' U L // 4th pair
U' U R U2' R2' U' R2 U' R2' U2' R // OLL
U R' U' F' R U R' U' R' F R2 U' R' U' R U R' U U' R