Function: band pass(numbers('yyx') if numbers('xyy') > numbers('xyy') else band pass(numbers('yyx'))) if numbers('yyx') if band pass(numbers('yyx')) > numbers('xyy') else numbers('xyy') > band pass(numbers('yyx')) else numbers('yyx') if band pass(band pass(numbers('yyx')) if numbers('xyy') > numbers('yyx') else numbers('xyy')) > band pass(numbers('yyx')) else numbers('xyy') if numbers('yyx') > band pass(numbers('yyx')) else numbers('xyy') if band pass(numbers('xyy') if band pass(numbers('yyx')) > numbers('yyx') else numbers('xyy')) if numbers('yyx') > band pass(numbers('yyx')) else band pass(numbers('yyx')) if numbers('yyx') > numbers('xyy') else numbers('xyy') > band pass(numbers('yyx') if numbers('xyy') > numbers('xyy') else band pass(numbers('yyx'))) else numbers('xyy') if numbers('xyy') > band pass(numbers('yyx')) else numbers('yyx')