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Puzzle 2: answers

A shift of 3 was used in this Caesar cipher.

Cipher: ABCDEFGHIJKLMNOPQRSTUVWXYZ
Plain: XYZABCDEFGHIJKLMNOPQRSTUVW

The message can then be decoded as follows:

Cipher: MXOLX VFDHV DUXVH GWKLV FLSKH U
Plain: JULIU SCAES ARUSE DTHIS CIPHE R

Therefore, the final plain text solution is "JULIUS CAESAR USED THIS CIPHER".

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