We redesigned MysteryTwister, enjoy! Feedback

 Explore Challenges

The SZ42 Challenge — Part 6 Level 2

by Nils Kopal, published on 10/2/2020

The Lorenz SZ42, codenamed Tunny, was a German teleprinter encryption device used during WW2. This is the sixth challenge in a series of 13 level-2 challenges with the SZ42. In this "setting" challenge you are provided with only one ciphertext and the patterns for all five CHI wheels are known. Can you find the starting positions for the five CHI wheels?