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