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

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發送短信 : Repeated-root constacyclic codes of prime power length over [Formula presented] and their duals