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