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Number:

Provider:

CAPTCHA:

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

Please enter what you see:

Text this: List decodability of symbol-pair codes