Function: gradient[0](log(mod(mean(numbers('rep') if numbers("yxx") > numbers('xry') else numbers('xry') if numbers("yxx") > numbers('rep') else numbers('yyx'), numbers('rep') if numbers('yyx') > numbers("yxx") else numbers('xry')), numbers('rep') if numbers('xry') > numbers('rep') if numbers('yyx') > numbers('xry') else numbers("yxx") else numbers("yxx")), mean(numbers('rep') if numbers("yxx") > numbers('rep') if numbers("yxx") > numbers('yyx') else numbers('xry') else numbers('xry'), numbers('xry') if numbers('yyx') > numbers('rep') else numbers("yxx"))))
