{HEAD ~ Multiplexers} can be used in {TAIL ~ various ways} to reduce the number of programmable interconnections required between signal conductors 
used in
{ HEAD ~ Multiplexers } can be used in { TAIL ~ various ways } to reduce the number of programmable interconnections required between signal conductors
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH