Another embodiment comprises {TAIL ~ a computer readable medium} encoded with {HEAD ~ processor executable program code} for carrying out such a method 
Another embodiment comprises { TAIL ~ a computer readable medium } encoded with { HEAD ~ processor executable program code } for carrying out such a method
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH