It can be appreciated by one of ordinary skill in the art that {TAIL ~ this circuit} may be controlled by {HEAD ~ a single control bus} 
It can be appreciated by one of ordinary skill in the art that { TAIL ~ this circuit } may be controlled by { HEAD ~ a single control bus }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD