https://www.lwiki.net/wiki/%EC%9D%B4%EC%A4%80%EC%84%9D_%EC%A3%BC%EB%8F%84%EC%9D%98_%EC%A0%9C3%EC%A7%80%EB%8C%80_%ED%86%B5%ED%95%A9%EC%8B%A0%EB%8B%B9_%ED%95%A9%EB%8B%B9_%ED%95%A9%EC%9D%98_%ED%8C%8C%EA%B8%B0_%EC%82%AC%EA%B1%B4 많이 퍼졌으면 좋겠음.