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