# [CTF Writeups](https://hackmd.io/@esrever/SkCRBlB6D) ## [pbctf 2020](http://ctftime.org/event/1121) - [Find rbtree](/s/Sk70bwlhD) - [Strong Cipher](/s/rJVJ-ug2v) ## [0CTF/TCTF 2020 Quals](http://ctftime.org/event/1026) - [sham](/s/HJmDYSJud)
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