The gaming system includes {HEAD ~ a rewards server} and a separate gaming or {TAIL ~ slot accounting server} 
The gaming system includes { HEAD ~ a rewards server } and a separate gaming or { TAIL ~ slot accounting server }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL