https://docs.google.com/presentation/d/1TVxSkpKeRt_QZCb1cP1swSniONLU15BJJMjFmYy5OAw/edit?usp=sharing
1조
https://docs.google.com/presentation/d/1EAPZQ-YLZ9HHUGvipA_OmtsaoVDF3bQxJkH1dWO_d1c/edit?usp=sharing
2조
https://docs.google.com/presentation/d/1BXGFzTSOnNQDqsa3dBs9MycPU68SJ7aj6UNmcZLF26M/edit?usp=sharing
3조
