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