Function: band pass(product(sum(numbers("xxx") if numbers('rep') > numbers("per") else numbers("xxx") if numbers("xxr") > numbers("per") else numbers('rep'), numbers("xxr") if numbers("per") > numbers("xxx") else numbers('rep')), numbers("xxx") if numbers("per") > numbers('rep') if numbers("xxx") > numbers("per") else numbers("xxr") else numbers('rep')))
