typically, the number of possible result lines is greater than or equal to 9 and {HEAD ~ the lines} to be employed in each game are selected by {TAIL ~ switches} 54, prior to a game being initiated 
are selected by
typically , the number of possible result lines is greater than or equal to 9 and { HEAD ~ the lines } to be employed in each game are selected by { TAIL ~ switches } 54 , prior to a game being initiated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH