American Cryptogram Association

Organizer for Solutions of participants in 2025 Cipher Contest
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Name (First & Last):

NOM:

Email:

Solver Type:  [ Paper&Pencil, Paper&Pencil Novice, Computer ]    

Note: Novices are those people who have been members for less than five years.

WHEN COMPLETE, EMAIL THESE RESULTS TO: contest2025@cryptogram.org

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CC-1 Aristocrat:

Key 1:

Plain Text 1:


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CC-2 Aristocrat:

Key 2:

Plain Text 2:



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CC-3 Patristocrat:

Key 3:

Plain Text 3:



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CC-4 Spanish Xenocrypt:

Key 4:

Plain Text 4:



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CC-5 Catalan Xenocrypt:

Key 5:

Plain Text 5:



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CC-6 Null:

Rule 6:

Plain Text 6:



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CC-7 Complete Columnar Transposition:

Numerical Key 7:

Plain Text 7:



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CC-8 Equations:

Key 8:



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CC-9 Ragbaby:

Key 9:

Plain Text 9:



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CC-10 Playfair:

Key 10:

Plain Text 10:



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CC-11 Fractionated Morse:

Key 11:

Plain Text 11:



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CC-12 Monome-Dinome:

Key 12:

Row Numbers (two digits) 12:

Plain Text 12:



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COMPUTER SOLVERS ADDITIONAL CIPHERS:


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CC-13 Nihilist Substitution:

Key 13:

Period 13: 

Plain Text 13:



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CC-14 Syllabary:

Key 14

Plain Text 14



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CC-15 Complete Columnar Transposition:

Numerical Key 15:

Plain Text 15:



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