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Harry
Registered: 19 Aug 2024 08:36
Last post: 15 Feb 2026 20:30
Join Harry at the National Cipher Challenge, which invites school-aged participants to put their code-breaking skills to the test every Autumn. Created by the School of Mathematical Sciences @UniSouthampton.
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| cipher-challenge.bsky.social PDS: maitake.us-west.host.bsky.network 2024-08-19 08:33:01 |