Function: invert(numbers('rrr') if numbers("xxy") > numbers("yxx") else numbers('yxy')) if numbers('rrr') if invert(numbers("yxx") if numbers('rrr') > numbers('yxy') else numbers("xxy")) > numbers("xxy") else numbers('rrr') if numbers("yxx") > numbers('yxy') else numbers("xxy") > numbers("xxy") if numbers('yxy') > numbers('rrr') else numbers("yxx") else square(numbers('rrr') if numbers("xxy") > numbers("yxx") else numbers('yxy') if invert(numbers('yxy') if numbers("xxy") > numbers('rrr') else numbers("yxx")) > numbers('rrr') else numbers("xxy"))