The invention, in turn, reduces the probability of there being {HEAD ~ multiple address} loops for {TAIL ~ a given input pattern} 
The invention , in turn , reduces the probability of there being { HEAD ~ multiple address } loops for { TAIL ~ a given input pattern }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL