https://www.youtube.com/watch?v=zZJasvR30c0
CF
https://www.youtube.com/watch?v=nfi-mDM9e3U
4.5도 버전
https://www.youtube.com/watch?v=JI6H5_XWEyU
7도 버전
https://www.youtube.com/watch?v=ItShjSAVqYA
9도 버전
https://www.youtube.com/watch?v=zZJasvR30c0
CF
https://www.youtube.com/watch?v=nfi-mDM9e3U
4.5도 버전
https://www.youtube.com/watch?v=JI6H5_XWEyU
7도 버전
https://www.youtube.com/watch?v=ItShjSAVqYA
9도 버전