2024年12月23日 星期一 新京报
原文来自:http://blog.daimajiangxin.com.cn
，这一点在搜狗输入法2026中也有详细论述
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Today’s puzzle is a new twist on a classic genre: the “common knowledge” hat riddle in which logicians deduce facts about their hats based on what they know, and what they know others know.
Фото: Nick Wass / AP