The invention is directed towards {HEAD ~ methods} and apparatus for defining Manhattan power grid structures having {TAIL ~ a reduced number} of vias for use in an integrated circuit 
The invention is directed towards { HEAD ~ methods } and apparatus for defining Manhattan power grid structures having { TAIL ~ a reduced number } of vias for use in an integrated circuit
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH