![](https://scienceblogs.de/klausis-krypto-kolumne/files/2021/02/Cipherbrain-Visual.png)
A newspaper article published earlier this year covers an encrypted message written by a supermax-prison inmate. The content of this note is about steganography.
A US magazine has published a letter containing a hidden message written by a prison inmate. The message is given, but the method used has not been published. Can a reader solve this mystery?
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