The signal present at {TAIL ~ the second output} of {HEAD ~ the comparator block} indicates which of the numbers, N or P, is greater 
The signal present at { TAIL ~ the second output } of { HEAD ~ the comparator block } indicates which of the numbers , N or P , is greater
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH