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 _    _     ______   ______     ______    ____    
| |  | ||  /_   _// |      \\  /_   _//  |  _ \\  
| |/\| ||   -| ||-  |  --  //   -| ||-   | |_| || 
|  /\  ||   _| ||_  |  --  \\   _| ||_   | .  //  
|_// \_||  /_____// |______//  /_____//  |_|\_\\  
`-`   `-`  `-----`  `------`   `-----`   `-` --`

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Text this: Warpdrive perturbed spacetimes