These are after an attempt to strip SCHEIDT-SANBORN from a K4 arranged in sequential 7×7 grids.
- Possible Secondary K4 Ciphertexts #3 and #4
- Secondary Ciphertext #1 and #2
- Another Kryptos Matrix-Keyword Reversal
- Different Ways of Filling a Kryptos Matrix
- Same Kryptos Math as Last Week but with Keywords Reversed
- A Horrible Spreadsheet of Kryptos Modular Arithmetic
- If Kryptos K4 Used 2 Keywords, What Could They Be?
- Kryptos’ K4 as numbers
- So I had an idea for the 4th part of Kryptos
- The Identity of X and Q in part 3 of Kryptos
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