1-8
https://docs.google.com/presentation/d/10Qh9A4fNgkH7uSBC_tW_CqR4DQWsNAMWjxiPRr3n2h0/edit?usp=sharing
9-16
https://docs.google.com/presentation/d/11-s0crbIsdkkOYLRADGTxxo3zOARr0G_Nq-j-Y46uU8/edit?usp=sharing
17~끝번호
https://docs.google.com/presentation/d/1CWIpRbI617cwq6fFjQObngNYucBomBxbWYyXZd9C5No/edit?usp=sharing
