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: Дмитрий Духанин / Коммерсантъ
，详情可参考旺商聊官方下载
老爸蹲下来，开始跟牛讲好话。他摸摸牛头，又摸摸牛脖子，“乖，回家，你卧着咋办呀？”“听话，咱们回家。”这头从外地买来的牛压根没听他的话，估计也听不懂。
numbers, which do follow various schemes but are nonetheless confusing. Bigger