{HEAD ~ A pack} 1 wherein {TAIL ~ each} said margin is less than 10 mm wide 
{ HEAD ~ A pack } 1 wherein { TAIL ~ each } said margin is less than 10 mm wide
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH