Just did, BHX-DXB-CMB-DXB-MLE-DXB-CMB-DXB-BHX over period of 5 days for a total of around 44k miles at 750GBP all in. The international flights are in Y and the MLE/CMB legs in F. Will need to find a place to crash in dubai for the night, but it's gonna be fun doing all this flying