Each set can include a substantial number of identity cards to allow participation of {TAIL ~ a large number} of players for one game or a smaller number of players for {HEAD ~ many rounds} of play 
Each set can include a substantial number of identity cards to allow participation of { TAIL ~ a large number } of players for one game or a smaller number of players for { HEAD ~ many rounds } of play
OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH