The linear spine interconnect is routed in {HEAD ~ the first direction} within {TAIL ~ the route area} while avoiding the forbidden areas 
within
The linear spine interconnect is routed in { HEAD ~ the first direction } within { TAIL ~ the route area } while avoiding the forbidden areas
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH