{HEAD ~ One method} includes connecting {TAIL ~ first and second buses} in first and second systems, respectively, to form a bus for a new system 
includes connecting
{ HEAD ~ One method } includes connecting { TAIL ~ first and second buses } in first and second systems , respectively , to form a bus for a new system
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH