1번 ~ 8번
https://docs.google.com/presentation/d/1_3bGfcdZrXorjIAxlbnkDUITk3uKIAeNAHnuxIaNdYA/edit?usp=sharing
9번 ~ 16번
https://docs.google.com/presentation/d/1HApT2WKQxtokUpDF0HdAeP3gfOyuzRklmp0npGjF-T4/edit?usp=sharing
17번 ~ 23번
https://docs.google.com/presentation/d/1mWnjoFLAhjOJk7TcLAbz_lwwc7E8ByicwJiiCN8rT5w/edit?usp=sharing
