FIG 3 illustrates one possible spacing arrangement in {HEAD ~ accordance} with the principles of a preferred form of {TAIL ~ the present invention} 
FIG 3 illustrates one possible spacing arrangement in { HEAD ~ accordance } with the principles of a preferred form of { TAIL ~ the present invention }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL