For {TAIL ~ each pair} of entries in {HEAD ~ the section} of memory, a differentiating bit position, reference value, and pointer are determined and stored to differentiate the entries 
For { TAIL ~ each pair } of entries in { HEAD ~ the section } of memory , a differentiating bit position , reference value , and pointer are determined and stored to differentiate the entries
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH