elementary OS 8.1.1 Available Now
The engines fired and Apollo 8 slid silently behind the Moon. The men heard a crackle in their headsets as the radio signal to Mission Control faltered and then failed.
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// 核心逻辑：弹出栈中<=当前值的元素（这些元素不可能是前面元素的"下一个更大值"）
容留他人吸食、注射毒品或者介绍买卖毒品的，处十日以上十五日以下拘留，可以并处三千元以下罚款；情节较轻的，处五日以下拘留或者一千元以下罚款。
Hurdle Word 1 hintA thin atmospheric layer.