Upon selection of {HEAD ~ a new denomination}, the coins of the previously selected denomination left in {TAIL ~ the packaging section} are removed, and packaging of coins of the newly selected denomination is automatically started 
Upon selection of { HEAD ~ a new denomination } , the coins of the previously selected denomination left in { TAIL ~ the packaging section } are removed , and packaging of coins of the newly selected denomination is automatically started
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH