When {HEAD ~ the program code} is loaded into and executed by {TAIL ~ a machine}, the machine becomes an apparatus for practicing the disclosed method 
is executed by
When { HEAD ~ the program code } is loaded into and executed by { TAIL ~ a machine } , the machine becomes an apparatus for practicing the disclosed method
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH