L2 U B2 R2 B2 U' F2 D U2 B2 L2 F L D B2 R B2 D2 U2 L
y2 // inspection
R2' F R2 D' R2' // cross
y U' R' U' R // 1st pair / EO
y' R U' R2' U' R U L' U' L // 2nd pair
R U' R' U R' U' R // 3rd pair
U R U R' U' R U R' // 4th pair
U' x' R U' R' D R U R' D' x // COLL
R' U R' U' R' U' R' U R R' R U R2' // EPLL