Function: mean(minus(numbers("xyx") if numbers('rrr') > numbers('epe') else numbers('xyy'), numbers('xyy')) if numbers('xyy') if numbers('epe') > numbers("xyx") else numbers('rrr') > numbers('xyy') if numbers("xyx") > numbers('epe') else numbers('rrr') if numbers("xyx") > numbers('xyy') else minus(numbers('xyy') if numbers("xyx") > numbers('rrr') else numbers('epe'), numbers('xyy')) else numbers('xyy'), numbers('xyy') if numbers('epe') > numbers('rrr') else numbers("xyx") if numbers('xyy') > minus(numbers("xyx") if numbers('epe') > numbers('rrr') else numbers('xyy'), numbers('xyy')) else numbers("xyx")) if numbers('xyy') if minus(numbers('xyy') if numbers('rrr') > numbers("xyx") else numbers('epe'), numbers('xyy')) > numbers("xyx") else numbers("xyx") if numbers('rrr') > numbers('epe') else numbers('xyy') > minus(numbers('xyy') if numbers("xyx") > numbers('rrr') else numbers('epe'), numbers('xyy')) else numbers('epe') if numbers("xyx") > numbers('rrr') else numbers('xyy') if numbers("xyx") > numbers('xyy') else minus(numbers("xyx") if numbers('rrr') > numbers('epe') else numbers('xyy'), numbers('xyy')) if minus(numbers('epe') if numbers('rrr') > numbers('xyy') else numbers("xyx"), numbers('xyy')) > numbers('rrr') if numbers("xyx") > numbers('epe') else numbers('xyy') else numbers('xyy')