Function: invert(numbers('yyx')) if numbers('yyx') > band pass(numbers("xxx") if numbers("xxr") > invert(numbers('yyx')) else numbers('yyx')) else numbers("xxr") if numbers('yyx') > invert(numbers('yyx')) else numbers("xxx") if numbers("xxr") if invert(numbers('yyx')) > numbers('yyx') else numbers("xxx") > invert(numbers('yyx')) else band pass(numbers("xxr") if numbers("xxx") > invert(numbers('yyx')) else numbers('yyx'))