The tape 1, where the areas of {HEAD ~ each} of {TAIL ~ the layers} are coextensive 
of
The tape 1 , where the areas of { HEAD ~ each } of { TAIL ~ the layers } are coextensive
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH