{HEAD ~ The invention} solves {TAIL ~ this problem} for a device of said species and will be described below 
solves
{ HEAD ~ The invention } solves { TAIL ~ this problem } for a device of said species and will be described below
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH