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