Function: mean(product(min(numbers('epe') if numbers('rep') > invert(numbers("xyx")) else numbers("xyx"), invert(numbers("xyx"))), numbers('rep') if invert(numbers("xyx")) > numbers('epe') else numbers("xyx")), min(numbers("xyx") if numbers('rep') > numbers('epe') else invert(numbers("xyx")), invert(numbers("xyx"))))
