Function: logn(mean(invert(numbers("xxx") if numbers("xxx") > numbers('epe') else numbers('xry')), numbers('epe') if numbers('xry') > numbers("xxx") else numbers("xxx")) if invert(numbers("xxx") if numbers("xxx") > numbers('epe') else numbers('xry')) > numbers("xxx") if numbers('epe') > numbers('xry') else numbers("xxx") else numbers("xxx"))
