Function: log(mean(sqrt(product(numbers("xxx") if numbers('epe') > numbers("per") else numbers("xxx") if numbers('epe') > numbers('yxy') else numbers("per"), numbers("xxx") if numbers('yxy') > numbers('epe') else numbers("per"))), product(numbers("xxx") if numbers("per") > numbers('epe') if numbers('yxy') > numbers("xxx") else numbers("per") else numbers('epe'), numbers("per") if numbers('yxy') > numbers('epe') else numbers("xxx"))), sqrt(product(numbers("per") if numbers('epe') > numbers("per") if numbers('epe') > numbers("xxx") else numbers('yxy') else numbers("xxx"), numbers("xxx") if numbers("per") > numbers('epe') else numbers('yxy'))))
