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Okay, I figured it out. It will be 8589. The first and second digits are explained in the question itself, then we just have to calculate the summation of the squares of the first digit and second digit. i.e 8 * 8 + 5 * 5 = 69.


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It depends on the puzzle type, text length and also on the language, but apart from minor variations (like rare letters in proper nouns) and deliberately constructed "ciphertext collisions", the solution to a cryptoquote is almost certainly unique. A cryptoquote is just a substitution cipher, so 28 letters is a sufficient amount of ciphertext that ...


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Here is a very simple example using rot13.com. I could have the cipher text of ozsl but that can be decrypted to what using rot8, alex using rot12, or jung (a common last name in my hometown) using rot21. But note that the more complex the message and the more exclusive the hints are, the more likely there is a unique answer. For instance, with the example I ...


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