签到

第一节：题目

题面给了一串 120 位 A/B：

AAABABBBBAABABAAAABAAAAAAAABBBABAAAABABBAAAAAAAAAAAAABAAAAABAAABAAAABABAAABBAAABBABAAAAABABABBBAAAAAABBAAAABABAAAABAABAA

第二节：过程

越过4层栅栏就能吃到24块培根，答案放脸上了

选标准型

AAABABAAAAABBABBAAABBAAABBAABAAABBBAABAAAABABAABAAABBAAAAABAAABAAAAAAAABBAAAAABBAABAAAAAAABAABAAAAABAAAAAAAABAABBABABBAA

再24培根
解得：CROSSTHEFENCEANDEATBACON。

最后 flag：

flag{CROSS_THE_FENCE_AND_EAT_BACON}