{HEAD ~ The particular sequence} of such executable instructions or associated data structures represents {TAIL ~ examples} of corresponding acts for implementing the functions described in such steps 
represents
{ HEAD ~ The particular sequence } of such executable instructions or associated data structures represents { TAIL ~ examples } of corresponding acts for implementing the functions described in such steps
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH