x2 // inspection
D R2 U' D2 R' F D2 // cross
U' U' L' U L y' R' U2' R // 1st pair
U R U' R' U R U' R' U' L U' L' // 2nd pair
y' R' F R F' R' U' R // 3rd pair
F R' F' R U' R U' R' U R U' R' // 4th pair
U' R U2' R' U' R U R' U2' R' F R F' // OLLCP
U2' R U R' U R' U' R2 U' R' U R' U R U' // EPLL