%EA%B5%B0%EC%82%B0%ED%9C%B4%EA%B2%8C%ED%85%94%D0%B6%20%E3%80%90optop10%CB%9B%EF%BC%A3o%D0%BC%E3%80%91%E2%99%82%EA%B5%B0%EC%82%B0%ED%9C%B4%EA%B2%8C%ED%85%94%20%EA%B5%B0%EC%82%B0%EC%B6%9C%EC%9E%A5%EC%98%A4%ED%94%BC%20%EA%B5%B0%EC%82%B0%EA%B1%B4%EB%A7%88%E2%9C%AA%EA%B5%B0%EC%82%B0op%20%EA%B5%B0%EC%82%B0%EC%85%94%EC%B8%A0%EB%A3%B8