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Mathematics

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Previous Challenges

The Cipher Challenges for Kryptos 12: 2022

Challenge 1 [solution]       Challenge 2 [solution]        Challenge 3 [solution]

A summary of the 2022  results is available

The Cipher Challenges for Kryptos 11: 2021

Challenge 1  [solution]           Challenge 2  [solution]           Challenge 3 [solution]

A summary of the 2021 results is available.

 

The Cipher Challenges for Kryptos 10: 2020

Challenge 1 [solution]          Challege 2 [solution]           Challenge 3 [solution]

A summary of the 2020 results is available.

 

The Cipher Challenges for Kryptos 9: 2019

Challenge 1 [solution]           Challenge 2 [solution]           Challenge 3 [solution]

A summary of the 2019 results is available.

 

The Cipher Challenges for Kryptos 8: 2018

Challenge 1 [solution]          Challenge 2 [solution]           Challenge 3 [solution]

A summary of the 2018 results is available.

 

The Cipher Challenges for Kryptos 7: 2017

Challenge 1 (solution)            Challenge 2 (solution)            Challenge 3 (solution)

A summary of the 2017 results is available.

 

The Cipher Challenges for Kryptos 6: 2016

Challenge 1 (solution)           Challenge 2 (solution)           Challenge 3 (solution)

A summary of the 2016 results is available.

 

The Cipher Challenges for Kryptos 5: 2015

Challenge 1 (solution)           Challenge 2 (solution)           Challenge 3 (solution)

A summary of the 2015 results is available.

 

The Cipher Challenges for Kryptos 4: 2014:

Challenge 1 (solution)           Challenge 2 (solution)           Challenge 3 (solution)

A summary of the 2014 results is available.

 

The Cipher Challenges for Kryptos3: 2013:

Challenge 1 (solution)           Challenge 2 (solution)           Challenge 3 (hint) (solution)

A summary of the 2013 results is available.

 

The Cipher Challenges for Kryptos 2: 2012:

Challenge 1 (solution)            Challenge 2 (solution)           Challenge 3 (solution)

A summary of the 2012 results is available.

 

The Cipher Challenges for Kryptos 1: 2011:

Challenge 1 (solution)           Challenge 2 (solution)           Challenge 3 (solution)

A summary of the 2011 results is available.

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