{TAIL ~ Computer executable instructions} also include program modules that are executed by computers in {HEAD ~ stand alone or network environments} 
{ TAIL ~ Computer executable instructions } also include program modules that are executed by computers in { HEAD ~ stand alone or network environments }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD