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Layers.
20 分暂无解出
~题目
Not everything scrambled is encrypted — often it's just encoded, and encoding always comes off.
You intercepted message.txt. It doesn't look like text, but it isn't random either. Peel the layers until a flag appears.
Two layers stand between you and the flag. Work from the outside in.
»题解
夺取 flag 后解锁题解。