六角网牙签结构
规则
第0阶段:无牙签。 第一阶段:在飞机上的任何地方放一根牙签。 每个新牙签必须位于六边形网上,使牙签端点与两个连续节点重合。 老一代牙签的每个外露端点都必须被新一代的两个牙签的端点接触。
前几个阶段的结构
第一阶段: _ 第二阶段: \_/ / \ 第三阶段: _/ \_ \_/ _/ \_ \ / 第四阶段: \_/ \_/ \_/ / \_/ \ \_/ \_/ / \_/ \ / \ 第五阶段: _/ \_ _/\ _/\_ \_/ \_/ / \_/ \ \_/ \_/ _/\ _/\_ \_/ \_/ \ / 第6阶段: \_/ _/ \_ \_/ \_/ \_/ / \_/ \_/ \ / \_/ \ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \ \_/ / \ 第7阶段: _/ \_ \_/ _/ _/ \_ \_ \_//\_/ _/ \_/ \_/ \_ \ / \_/ \ / _/ \_/ \_/ \_ \_//\_/ _/ \_/ \_/ \_ \ \_/ / _/ \_ \ / 第八阶段: \_/ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_ \_/ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ /\/\_/\/\ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ / \_ \_/ _/ \ / \_/ \_/ \ / \_/ \ / \ 第9阶段: _/ \_ _/ \_/ \_ _//\/\/\ _/ \_/ \_/ \_/ \_ \_/ _/ \_ \_/ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ / \ / \_/ \ / \ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ _/ \_ \_/ _/ \_ \_/ \_/ \_/ \_/ \_//\_/ \_/ \_/ \ / 第10阶段: \_/ _/ \_ _/ \_/ \_ _/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ / \_/ _/ \_ \_/ \ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ / \ / \_/ \ / \ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_//\/\/\/\_/ / \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ / \ 第11阶段: _/ \_ \_/ _/ \_ _/ \_/ \_ _/_/\_/\_/\_\_ \_/ \_/ \_/ \_/ \_/ _/ \_/ _/ \_ \_/ \_ \ / \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ / \ / \_/ \ / \ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \ _/ \_/ \_/ \_/ \_/ \_ \_/ \_ \_/ _/ \_/ _/ \_/ \_/ \_/ \_/ \_ \\_/\_/\_// \_/ \_/ \_/ _/ \_ \ / 第12阶段: \_/ \_/ \_/ / \_/ \ _/ \_ \_ _/ \_/ \_ _/ \_/ _/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ _/ \_ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ \ /\/\_/\/\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_ \_/ _/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ / \_ \_/ \_/ \_/ _/ \ / \_/ \_/ \ \_/ \_/ \_/ / \_/ \ / 第13阶段: _/ \_ _/ \_/ \_ \_/ \_/ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ _/ \_/ \_ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ _/ \_ \_/ \_/ _/\_/\_/\_/\_/\_/\_ \_/ \_/ \_/ \_/ \_/ \_/ \ / \ / \_/ \ / \ / _/ \_/ \_/ \_/ \_/ \_ _/\_/\_/\_/\_/\_/\_ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_ \_/ _/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ _/\_/\_/\_/\_/\_/\_ \_/ \ \_/ \_/ / \_/ \ _/ \_/ \_ / \_/ \_/ _/ \_/ \_ \_/ \_/ \ / 第14阶段: \_/ _/ \_ \_/ \_/ \_/ / \_/ \_/ \ \_ \_/ \_/ \_/ _/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ _/ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \ \ / \ / \_/ \ / \ / _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \ / \_/ \_ \_/ _/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_ \_/ \_/ _/ \_/ \ \_/ \_/ \_/ \_/ \_/ / / \_/ \_/ \ \ \_/ \_/ \_/ / \_/ \_/ \ \_/ / \ 第15阶段: _/ \_ \_/ _/ _/ \_ \_ \_/ \_/ \_/ _//\/\/\/\/\ \_ \_/ \_/ \_/ _/ _/ _/ \_/ \_/ \_/ \_/ \_ \_ \_/ \_/ _/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \ / \_/ \_/ \_/ \_/ \_/ \ / _/ \_/ \_/ _/ \_ \_/ \_/ \_ \_/\_/\_/\_/\_/\_/\_/\_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \ \ / \ / \_/ \ / \ / / _/ _/ \_/ \_/ \_/ \_/ \_ \_ \_/\_/\_/\_/\_/\_/\_/\_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \ / \_/ \_ \_/ _/ \_/ \ / _/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/\_/\_/\_/\_/\_/\_/\_/ _/ \_/ \_ \_/ \_/ _/ \_/ \_ \ \_/ \_/ \_/ \_/ \_/ / _//\/\/\/\/\ \ \_/ \_/ \_/ / _/ \_/ \_/ \_ \ \_/ / _/ \_ \ / 第16阶段: \_/ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_ \_/ \_/\_/\_/\_/\_/ \_/ / \_/ \_/ \ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ _/ \_/ \_ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_/ \_/ \_/ \_/ \ / \ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ / \_ \_/ \_/ \_/ \_/ \_/ _/ \ / \_/ / \_/ \_/ \ \_/ \ / \_ \_/ \_/ \_/ _/ \ / \_/ \_/ \_/ \_/ \ / \_ \_/ _/ \ / \_/ \_/ \ / \_/ \ / \ 第17阶段: _/\ _ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ _/ \_/ _/ \_ \_/ \_ _/ \_/ \_/ \_/ \_/ \_/ \_ _/ \_/ / \_/ \_/ \ \_/ \_ _/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ _/ \_/ \_ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ /\/\_/\_/\_/\_/\_/\/\/\/\/\ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ _/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / 第18阶段: \_/ _/ \_ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ _/\_/\_/\_/\_ _/ \_/ \_/ \_/ \_/ \_/ \_ _/ \_/ / \_/ \_/ \ \_/ \_ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ / \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \ / \_/ \_/ _/ \_/ \_ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_/ \_/ \_/ \_/ \ / \ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ /\\/\/\_/\/\/\/\/\ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ / \_/ \_/ / \_/ \_/ \ \_/ \_/ \ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ 第19阶段: _/ \_ \_/ _/ \_ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ _/ \_/ _/ \_ \_/ \_ _/ \_/ \_/ \_/ \_/ \_/ \_ _/_/\_/\_/\_/\_/\_/\_/\_\_ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ _/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_ \ / \_/ \_/ _/ \_/ \_ \_/ \_/ \ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_/ \_/ \_/ \_/ \ / \ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ _/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_ \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ _/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_ \ \_/ \_ \_/ \_/ \_/ _/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_ \/ 第20阶段: \_/ \_/ \_/ //\/\ _/ \_ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ _/ \_/ _/ \_ \_/ \_ \_ _/ \_/ \_/ \_/ \_/ \_/ \_ _/ \_/_/\_/\_/\_/\_/\_/\_/\_\_/ / \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ / \_/ \_/ \_/ _/ \_/ \_ \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \ / \_/ \_/ \_/ \_/ \_/ \ / \ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ / \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ \ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ / \_ \_/ \_ \_/ \_/ \_/ _/ \_/ _/ \ / \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\ / \ 第21阶段: _/ \_ _/ \_/ \_ \_/ \_/ _/ \_/ \_ \_/ \_/ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ _/_/\_/\_/\_/\_/\_/\_ _/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ / \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ _/ \_/ \_ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \ / \_/ \_/ \_/ \_/ \_/ \ / \ / \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ /\\/\/\_/\/\/\/\/\ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ _/ \_/ \ / \ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ / \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ \ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ _/ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \_ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ / \_/ \ \_/ \_ \_/ _/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_/ \_ \_/ \_/ _/ \_/ \_ \_/ \_/ \ / 第22阶段: \_/ _/ \_ \_/ \_/ \_/ //\/\/\ \_/ \_/ \_/ //\/\/\ _/ \_/ \_ _/ \_/ \_/ \_ \_ _/ \_/ \_/ \_/ \_ _/ _/ \_ _/ \_/ _/ \_ \_/ \_ _/ \_ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_/ / \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ \ / \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_/ \_ \_/ \_/ \_/ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ / \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \_/ \_ \_/ _/ \_/ \ / \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\\ / \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ \ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \_/ / \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_/ \ \_//\_/\_/\_/\_/\_/ / \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\/\ \_/ \_/ \_/ //\/\/\ \_/ / \ 第23阶段: _/ \_ \_/ _/ _/ \_ \_ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ _/ \_/ \_/ \_ \_/ \_/ \_/ _/ _/ \_/ \_/ \_ \_ \_ _/ \_/ \_/ \_/ \_ _/ _/ _/ \_/ _/ \_/ _/ \_ \_/ \_ \_/ \_ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ _/ \_/ \_/ \_/ / \_/ \_/ \ \_/ \_/ \_/ \_ \ / \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \ / _/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_ \_/ \_/ \_/ \_/ _/ \_/ \_ \_/ \_/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \ \_/ \ / \_/ \_/ \_/ \_/ \_/ \ / \_/ / _/ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ \_ \ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ 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\_ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_ \_/ \ / \_/ \_/ \_/ \_/ \_/ \ / \_/ _/ \ / \_/ \_/ \_/ \_/ _/ \_ \_/ \_/ \_/ \_/ \ //\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \ \ / \ / \_/ \ / \ / / \ \_/ _/ \_/ \_/ \_/ \_/ \_ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ / \_/ \_ \_/ _/ \_/ \ / \_/ \_/ \_/ _/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_ \_/ / \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_ \_/ \_/ _/ \_/ \_/ \_/ \_/ / \ / \_/ \_ \_/ \_/ \_/ \_/ \_/ _/ \_/ \ / \ \_/\_/\_/\_/\_/\_/\_/\_/\_/\_/\_/\\_/ / \_/ \_/ \_/ \_ \_/ \_/ \_/ _/ \_/ \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/ / \_ \_/ \_ \_/ \_ \_/ _/ \_/ _/ \_/ _/ \ / \_/ / \_/ \_/ \_/ \_/ \ \_/ \ / \_ \_/ \_/ \_/ _/ \ / \_/ \_/ \_/ \_/ \ /\_/\_/\_/\ / \_/ \_/ \ \_/ \_/ \_/ \_/ \_/ \_/ \_/ //\/\/\/\ / \_/ \_/ \ / \_/ \ / \ 第25阶段: _/ \_ _/ \_/ \_ _/ \_/ \_/ \_ _/ \_/ \_/ \_/ \_ \_/ _/ \_ 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