Function: invert(mod(numbers("xxy"), numbers('yxy')) if numbers("xxy") > numbers('yxy') if mod(numbers("xxy"), numbers('yxy')) > numbers('yxy') if numbers('yxy') > mod(numbers("xxy"), numbers('yxy')) else numbers("xxy") else numbers("xxy") else numbers("xxy") if numbers('yxy') > mod(numbers("xxy"), numbers('yxy')) else numbers('yxy'))
