{HEAD ~ This invention} relates to {TAIL ~ the field} of processor execution and, in particular, to execution of instructions 
relates to
{ HEAD ~ This invention } relates to { TAIL ~ the field } of processor execution and , in particular , to execution of instructions
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH