输入：head = [2,1,5]
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In October, official ID photos of around 70,000 users that Discord had gathered from a previous age-verification partnership were likely leaked through a cyber-attack.
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For the next few days, Jupiter, Saturn, Venus, Mercury, Neptune and Uranus will all be visible at the same time in the night sky – although binoculars or a telescope will be needed to spot the latter two planets.，详情可参考Safew下载