Function: mean(10 *(square(invert(numbers('yxr') if numbers('epe') > numbers('epe') else numbers("per")))), square(invert(numbers("per") if numbers('epe') > numbers('yxr') else numbers('epe')))) if square(invert(numbers("per") if numbers('epe') > numbers('epe') else numbers('yxr'))) > invert(numbers('epe') if numbers("per") > numbers('yxr') else numbers('epe')) else 10 *(square(invert(numbers('yxr') if numbers("per") > numbers('epe') else numbers('epe'))))