sending {TAIL ~ results} of the system game played at one or more of {HEAD ~ the plurality} of gaming machines to the rewards server with the system game history ID 
sending { TAIL ~ results } of the system game played at one or more of { HEAD ~ the plurality } of gaming machines to the rewards server with the system game history ID
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH