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

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Text this: On self-dual constacyclic codes of length p<sup>s</sup>over F<inf>p<sup>m</sup></inf>+uF<inf>p<sup>m</sup></inf>