Function: invert(numbers("per") if numbers('xyy') if numbers('rep') > numbers("per") else numbers("per") if numbers('xyy') > numbers('rep') else numbers("xxr") > sqrt(numbers('rep') if numbers("per") > numbers('xyy') else numbers("per") if numbers('xyy') > numbers('rep') else numbers("xxr")) else numbers("per") if numbers('rep') > numbers("xxr") else numbers('xyy'))
