For the random ticket, if a duplicate ticket is determined {HEAD ~ the computer} re selects {TAIL ~ a number} until no duplicate is selected 
re selects
For the random ticket , if a duplicate ticket is determined { HEAD ~ the computer } re selects { TAIL ~ a number } until no duplicate is selected
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH