https://blog.faceutil.com/2017/04/13/%eb%a0%88%ec%bf%a0%eb%b0%94-recuva-%ed%95%9c%ea%b8%80%ed%8c%90-%eb%8b%a4%ec%9a%b4-%eb%b0%8f-%ec%82%ac%ec%9a%a9%eb%b2%95-%ec%95%8c%ec%95%84%eb%b3%bc%ea%b2%8c%ec%9a%94-%e3%82%a3/