In accordance with the present invention, more sophisticated codes are provided using {HEAD ~ a method} involving {TAIL ~ design rules} selected in accordance with the preferred embodiment of the present invention 
involving
In accordance with the present invention , more sophisticated codes are provided using { HEAD ~ a method } involving { TAIL ~ design rules } selected in accordance with the preferred embodiment of the present invention
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH