{HEAD ~ The system} returns the larger denomination coin or coins instead of the deposited smaller denomination coins only when the smaller denomination coin is in {TAIL ~ its change} running out state 
{ HEAD ~ The system } returns the larger denomination coin or coins instead of the deposited smaller denomination coins only when the smaller denomination coin is in { TAIL ~ its change } running out state
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH