The following detailed description is of {HEAD ~ the best currently contemplated modes} of carrying out {TAIL ~ the invention} 
of carrying out
The following detailed description is of { HEAD ~ the best currently contemplated modes } of carrying out { TAIL ~ the invention }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL