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

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發送短信 : Matrix product codes over finite commutative Frobenius rings