1단계
https://youtube.com/shorts/KLk0qm6VIeQ?si=g3hX7_dfMsK2OnJ4
2단계
https://youtube.com/shorts/BqNmjujkT8o?si=Wn8gySVA_NVx4iP7
3단계
https://youtube.com/shorts/Jbf5Eoy4Cfc?si=XusYzgKC4oQDY-k-
4단계
https://youtube.com/shorts/BtzBUldnjas?si=Jg1lko6h9gfy5IwK
+배리하드 하지 않은 버전으로 도전하는 온앤오프ㅋㅋㅋㅋ
https://youtu.be/vDKX-Ca-fNs?si=DJTr1-m2Xmu-Xrno