{TAIL ~ One aspect} of the invention involves a method for defining circuit operations using {HEAD ~ a circuit operation tool} 
{ TAIL ~ One aspect } of the invention involves a method for defining circuit operations using { HEAD ~ a circuit operation tool }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD