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