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