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Cipher As stated before, c1, c2, and c3, are used at the same time as 1 single code along with clues provided in the supposed c2 decipherment story, along with clues in the rest of the information concerning the Beale codes as originally provided are used in breaking the code. The broken code itself isn't really open for intetpretatation...
The story within the papers and the supposed deciphered c2, are a fiction story, that includes very real clues that when used in conjunction with the numbers in c1, c2, and c3, are in their total, a very real code, that leads you to a very real treasure...