B' F2 U L2 U' B2 L2 U' F2 R2 D L2 U' L' B L' R' D2 B2 L2 U2
x2 // inspection
R L U L2' R' F R D // cross
U L U' L' // 1st pair
U R' U' R2 U R2' U' R // 2nd pair
y' R U' R' U R' U' R // 3rd pair
U R U' R' // 4th pair
U R U2' R' U' R U' R' U R' U2' R U R' U R U2' // ZBLL
