{HEAD ~ The produced bank filter terms} include {TAIL ~ at least one combination} of two cross symmetric bank filter terms: 
{ HEAD ~ The produced bank filter terms } include { TAIL ~ at least one combination } of two cross symmetric bank filter terms :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH