Function: divide(gradient[2](mod(noise(numbers('ryy') if numbers("xxx") > numbers('xyy') else numbers('ryy')), numbers('ryy') if numbers("xxx") > numbers('ryy') else numbers('xyy'))), mod(noise(numbers('ryy') if numbers("xxx") > numbers('ryy') else numbers('xyy')), numbers("xxx") if numbers('ryy') > numbers('ryy') else numbers('xyy')))