[YOUKU_요우쿠] - for Chinese

▼ Direct(연출)

https://v.youku.com/v_show/id_XNDA5ODE0OTE1Ng==.html?spm=a2h3j.8428770.3416059.1


▼ Explanation(해법)

https://v.youku.com/v_show/id_XNDA5ODI3NjIyNA==.html?spm=a2h3j.8428770.3416059.1