Function: square(square(numbers('yxy'))) if square(numbers('yxy')) > numbers('yxy') else numbers('yxy') if square(square(numbers('yxy'))) > square(numbers('yxy')) else numbers('ryy') if square(square(numbers('yxy'))) > numbers('yxy') if square(square(numbers('yxy'))) > numbers('ryy') else square(numbers('yxy')) else square(numbers('yxy'))