{TAIL ~ a self aligned contact pad} between {HEAD ~ the first and second gate electrodes} to be electrically connected to the first impurity diffusion region; and 
{ TAIL ~ a self aligned contact pad } between { HEAD ~ the first and second gate electrodes } to be electrically connected to the first impurity diffusion region ; and
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH