Methods and {HEAD ~ apparatus} for defining Manhattan power grid structures having {TAIL ~ a reduced number} of vias 
Methods and { HEAD ~ apparatus } for defining Manhattan power grid structures having { TAIL ~ a reduced number } of vias
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH