The strip of {TAIL ~ staples} 11 has {HEAD ~ a frontmost staple} 23, and following staples 24 
The strip of { TAIL ~ staples } 11 has { HEAD ~ a frontmost staple } 23 , and following staples 24
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH