Function: minus(numbers("per") if numbers('yxr') > numbers("xyx") else numbers("xxr") if numbers("xyx") > numbers("per") else numbers("xxr"), numbers("xxr") if numbers('yxr') > numbers("xyx") else numbers("per")) if numbers("xxr") if numbers("xyx") > numbers("per") else numbers('yxr') > numbers("xxr") if numbers("per") > numbers("xyx") else numbers('yxr') if numbers("xyx") > numbers("per") else numbers("xxr") else sum(minus(numbers('yxr') if numbers("per") > numbers("xxr") else numbers("xyx") if numbers("xxr") > numbers("xyx") else numbers("per"), numbers("per") if numbers("xxr") > numbers("xyx") else numbers('yxr')), numbers("per") if numbers("xxr") > numbers('yxr') else numbers("xyx") if numbers("per") > numbers("xyx") else numbers("xxr"))