Decrypt Collinson Ciphertext


Cleartext to skip

Add any cleartext to ignore in the messages (separated by newline)


Code Mapping

Add any known mappings between section, code and plaintext

Format: [section] [code] [plaintext] (separated by space)


Ciphertext

Replace ciphertext here:


Decrypted Mapping

Section 'U' represents cleartext that was unchanged or unresolved codes.

Decrypted Message