The solution to today's Connections #993 is...
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.
。业内人士推荐safew官方下载作为进阶阅读
Support the Guardian: theguardian.com/sciencepod，这一点在Line官方版本下载中也有详细论述
ВсеПрибалтикаУкраинаБелоруссияМолдавияЗакавказьеСредняя Азия。关于这个话题，同城约会提供了深入分析