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

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Text this: Cyclic and negacyclic codes of length 4ps over ð ½pm + uð ½pm