It is possible that an ATO has flexible programs whereby the MCC options include the minimum MCC course of 4 exercises (16 hours) for integrated course, up to the APS course of say 10 exercises.
So if an ATO offers A320, and you are looking at B737 type course ultimately (Ryanair?) then you could complete the minimum MCC before attending a stand alone APS B.737 course.
So as far as a sponsored airline student needs anything from the minimum 4 exercises up to 11 exercises depending upon the wishes of the airline.