The Alan Turing Cryptography Competition

From the people behind the MathsBombe Competition.
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Chapter 6


Here's some mood music. I hope you like it. When composing, I always like to start with the semi-quavers and then go through the longer notes in order.


puzzle 6

Above is the image attached to Mike's message. When decoded, it is a question. You must find the answer (a number) and type it into the box below.

This problem was first solved on Mon 8th March at 4:58:58pm
Alan Turing Cryptography Competition 2021 is organised by the The Department of Mathematics at The University of Manchester.
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