{HEAD ~ The resulting predefined button settings} might be recorded in {TAIL ~ machine area} 317 of FIG 3 
{ HEAD ~ The resulting predefined button settings } might be recorded in { TAIL ~ machine area } 317 of FIG 3
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH