{HEAD ~ A common connection device} is formed for {TAIL ~ the first dopant zone} and the second dopant zone 
is formed for
{ HEAD ~ A common connection device } is formed for { TAIL ~ the first dopant zone } and the second dopant zone
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH