johnfloor78

• https://medium.com/@slot-master/%ED%94%84%EB%9D%BC%EA%B7%B8%EB%A7%88%ED%8B%B1-%EB%AC%B4%EB%A3%8C%EC%8A%AC%EB%A1%AF%EC%9C%BC%EB%A1%9C-%EC%A6%90%EA%B1%B0%EC%9A%B4-%EC%8B%9C%EA%B0%84%EC%9D%84-%EB%B3%B4%EB%82%B4%EC%84%B8%EC%9A%94-09f0d3c9a8d2