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

x2 z' // inspection
R' u' // cross
R' U R U' R' U' R // 1st pair
y' U R U R2 U' R // 2nd pair
y' R U' R' U2' R' U' R U2' R' U R // 3rd pair
U R U R' U' R U R' // 4th pair
U' R z U' R' U R D' R' U' R U z' // COLL
R U' R U R U R U' R' U' R2 // EPLL