{HEAD ~ The device} for converting {TAIL ~ series} of A input data elements to series of A output data elements comprises a memory means for containing these series of input and output data elements 
for converting
{ HEAD ~ The device } for converting { TAIL ~ series } of A input data elements to series of A output data elements comprises a memory means for containing these series of input and output data elements
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH