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  _____    _    _              _    _     ______  
 / ____|| | || | ||   ____    | || | ||  /_____// 
/ //---`' | || | ||  |    \\  | || | ||  `____ `  
\ \\___   | \\_/ ||  | [] ||  | \\_/ ||  /___//   
 \_____||  \____//   |  __//   \____//   `__ `    
  `----`    `---`    |_|`-`     `---`    /_//     
                     `-`                 `-`

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Text this: Matrix-Based Multigrid : Theory and Applications