%EB%8C%80%EC%A0%84%EC%B6%9C%EC%9E%A5%EC%98%A4%ED%94%BC%E3%83%97%20%E3%80%90optop9%C2%B8%EF%BD%83o%EF%BD%8D%E3%80%91%20%EB%8C%80%EC%A0%84%EB%A7%88%EC%82%AC%EC%A7%80%20%EB%8C%80%EC%A0%84%ED%85%8C%EB%9D%BC%ED%94%BC%E2%9C%A1%EB%8C%80%EC%A0%84%EB%A0%88%EA%B9%85%EC%8A%A4%EB%A3%B8%E2%99%9D%EB%8C%80%EC%A0%84%ED%9B%84%EB%B6%88%EC%B6%9C%EC%9E%A5%E2%9C%A5%EB%8C%80%EC%A0%84%EC%98%A4%ED%94%BC