B2 R F2 L' D2 L2 R D2 U' B L U' R' B2 L2 U' F D U2

x' y' // inspection
R' D R' D2 R L // cross
y U R U' R' // 1st pair
d R U' R' U R U' R' U R U' R' // 2nd pair
y' U' L' U' L d R U' R' // 3rd pair
U y R U R' // 4th pair
U' R' U2' R U R' U R2 U2' R' U' R U' R' U' // ZBLL