谁能解释一下样例啊?

P4688 [Ynoi2016] 掉进兔子洞

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by ferrum_cccp @ 2019-01-14 09:27:03


我语文太差
by noip @ 2019-01-15 00:01:45


考古熬夜lxl
by mzycの喰种 @ 2023-07-24 17:19:01


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