原题链接:http://ctf.idf.cn/index.php?g=game&m=article&a=index&id=52
一只小羊跳过了栅栏,两只小样跳过了栅栏,一坨小羊跳过了栅栏...
tn c0afsiwal kes,hwit1r g,npt ttessfu}ua u hmqik e {m, n huiouosarwCniibecesnren.
栅栏加密,密文共85位,而85的因子有5和17,于是乎我们就可以按5个一组或17个一组去试
竖着拼下来就是 the anwser is wctf{C01umnar},if u is a big new,u can help us think more question,tks.