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The writeup is written in Chinese. **To make it easier for foreign players to read, I try to use normative expressions and grammars in this writeup to make machine translations as accurate as possible and not puzzling. Google Translate is recommended!**

https://blog.cal1.cn/post/RCTF%202017%20rBlog%20&%20rFile%20writeup

Original writeup (https://blog.cal1.cn/post/RCTF%202017%20rBlog%20&%20rFile%20writeup).