Arrange the Steps of Drawing Up a Short-Acting and a Long-Acting

Arrange the steps of drawing up a short-acting and a long-acting insulin in the same syringe. (Separate letters by a comma and space as follows: A, B, C, D)
A) Draw up amount of shorter-acting insulin
B) Check insulin dose with a second licensed nurse
C) Inject the desired amount of air into the long-acting insulin
D) Clean rubber stopper of both vials with alcohol
E) Draw up desired amount of longer-acting insulin
F) Inject the desired amount of air into the short-acting insulin