發送短信 : Polyadic Constacyclic Codes

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