A character that is consistent in a narrative both at the beginning and at the end is referred to as a flat character. However, such figures have emotionaldepth in any of their appearances. Therefore Suzy is one of the flat characters in the story because of her reserved nature, and because of this, she goes through different trials while dealing with raceissues. This makes her feel uncomfortable and outside. But this does not change her personality.
The first one is the correct way to use it, since it separates the parts of the sentence into fragments that can still be understood without changing the meaning of the entire sentence.
