{TAIL ~ A timing system} for {HEAD ~ swimming race} which records, displays, and prints the time of race 
{ TAIL ~ A timing system } for { HEAD ~ swimming race } which records , displays , and prints the time of race
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH