%EA%B4%91%EB%AA%85%EC%85%94%EC%B8%A0%EB%A3%B8%E2%99%A1%20%E3%80%90optop10.%E2%93%920%EF%BD%8D%E3%80%91%E2%9C%89%EA%B4%91%EB%AA%85%EA%B1%B4%EB%A7%88%E2%9C%B4%EA%B4%91%EB%AA%85%EC%95%88%EB%A7%88%EB%B0%A9%20%EA%B4%91%EB%AA%85%EC%8A%88%EC%96%BC%E2%9C%B4%EA%B4%91%EB%AA%85%EB%A7%88%EC%82%AC%EC%A7%80%20%EA%B4%91%EB%AA%85%EC%98%A4%ED%94%BC