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