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

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Text this: 2 × 2PT - Symmetric matrices and their applications