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

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