F' U2 L2 U2 R2 B' R2 B2 D2 R2 F' U' L2 R' F' L' R B L R
y' // inspection
U' r' U' R y' R U // cross
z U U R U' R' U R U' R' y R U' R' // 1st pair
y' y' R U R' U' R U R' // 2nd pair
U' z U' R U z' y' U R U' R' // 3rd pair
y d' R U' R' y' R' U' R // 4th pair
U' R2' D' R U R' D R U R U' R' U' R // ZBLL
