{HEAD ~ The process} is repeated for {TAIL ~ conversion} of each bit of the corresponding digital output word 
is repeated for
{ HEAD ~ The process } is repeated for { TAIL ~ conversion } of each bit of the corresponding digital output word
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH