In one embodiment of the invention, {HEAD ~ the processor} 502 provides {TAIL ~ the search key} 408 to system 400 
In one embodiment of the invention , { HEAD ~ the processor } 502 provides { TAIL ~ the search key } 408 to system 400
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH