I prefer the codes of Chris Seivey/ Frank Sidebottom. Only, it too GCHQ to finally solve them. https://www.bbc.co.uk/news/entertainment-arts-47907370 https://

I prefer the codes of Chris Seivey/ Frank Sidebottom. Only, it too GCHQ to finally solve them. https://www.bbc.co.uk/news/entertainment-arts-47907370 https://www.bbc.co.uk/news/entertainment-arts-47907370