{TAIL ~ a coin} paying out means for paying out {HEAD ~ coins} from said change retaining means according to paying out signals 
{ TAIL ~ a coin } paying out means for paying out { HEAD ~ coins } from said change retaining means according to paying out signals
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH