Function: gradient[2](invert(max(numbers("xyx") if numbers('rep') > numbers("xxy") else numbers('rep'), numbers("xxy")) if numbers("xxy") > numbers('rep') if numbers("xxy") > numbers('rep') else numbers("xyx") else mod(max(numbers("xxy") if numbers('rep') > numbers('rep') else numbers("xyx"), numbers("xxy")), numbers('rep') if numbers("xxy") > numbers('rep') else numbers("xyx"))))
