a reset element that is turned on or off by a reset signal and that resets {TAIL ~ the input node} in {HEAD ~ an on state}, 
a reset element that is turned on or off by a reset signal and that resets { TAIL ~ the input node } in { HEAD ~ an on state } ,
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH