{HEAD ~ A strip} of {TAIL ~ staples} 11 sits in straddled relationship on the staple guide 12 
of
{ HEAD ~ A strip } of { TAIL ~ staples } 11 sits in straddled relationship on the staple guide 12
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH