{HEAD ~ A software module} may reside in {TAIL ~ any form} of storage medium that is known in the art 
{ HEAD ~ A software module } may reside in { TAIL ~ any form } of storage medium that is known in the art
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH