{TAIL ~ Other embodiments} provide a method for locating vias in {HEAD ~ the power grid structure} in such a way as to be especially beneficial to 45° or 135° diagonal wiring paths 
{ TAIL ~ Other embodiments } provide a method for locating vias in { HEAD ~ the power grid structure } in such a way as to be especially beneficial to 45 ° or 135 ° diagonal wiring paths
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH