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.
Кирилл ДмитриевСпецпредставитель президента России
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Here are some of the biggest US movers before the bell:，推荐阅读爱思助手下载最新版本获取更多信息
with: #anyMessage: -> [:pattern | pattern beBinary ];