As such, intersection seam 406 is separated from {HEAD ~ intersection seam} 405 by {TAIL ~ major face} 402 
As such , intersection seam 406 is separated from { HEAD ~ intersection seam } 405 by { TAIL ~ major face } 402
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH