B2 L2 R2 D L2 F2 D L2 F' U L F' L2 R' B2 U B D2 L

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