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.
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。关于这个话题，同城约会提供了深入分析
捐贈者的父母希望保持匿名，他們表示對女兒留下的遺產感到「無比自豪」。
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