%EC%A7%84%EC%A3%BC%EC%85%94%EC%B8%A0%EB%A3%B8%E3%88%83%20%E3%80%90optop10%CB%9B%EF%BD%83o%D0%BC%E3%80%91%20%EC%A7%84%EC%A3%BC%EC%B6%9C%EC%9E%A5%EC%95%88%EB%A7%88%E2%99%AB%EC%A7%84%EC%A3%BC%EC%95%84%EB%A1%9C%EB%A7%88%E2%9C%A1%EC%A7%84%EC%A3%BC%EC%95%88%EB%A7%88%E2%99%A1%EC%A7%84%EC%A3%BC%EC%95%88%EB%A7%88%E2%99%AF%EC%A7%84%EC%A3%BC%EC%95%88%EB%A7%88