The method 11, wherein the one of a plurality of line styles corresponds with {HEAD ~ the shape} of {TAIL ~ the first symbol} 
The method 11 , wherein the one of a plurality of line styles corresponds with { HEAD ~ the shape } of { TAIL ~ the first symbol }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL