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

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Text this: On constacyclic codes of length 4p<sup>s</sup> over F<inf>p<sup>m</sup></inf>+uF<inf>p<sup>m</sup></inf>