Function: minus(square(max(numbers("per") if numbers('xyy') > numbers('yxy') else numbers('xyy'), numbers("per"))), max(numbers('xyy') if numbers('xyy') > numbers("per") else numbers('yxy'), numbers("per"))) if numbers("per") if numbers('xyy') > numbers('xyy') else numbers('yxy') > square(max(numbers('xyy') if numbers("per") > numbers('xyy') else numbers('yxy'), numbers("per"))) else max(numbers('xyy') if numbers("per") > numbers('xyy') else numbers('yxy'), numbers("per"))