Cicada 3301 - solution.
A few years ago a secret society appeared on the internet. Its activity takes place on the pages of the dark web, the messages of its members are guarded by modern programs for encryption, and it only takes into its ranks those who are able to pass the mysterious game, taking place on the network. One such game was held in 2012, 2013 and 2014. Each time, anyone with internet access could try their hand. The chain of riddles began from resources such as 4chan, Reddit and Twitter and stretched further, gradually taking applicants into the depths of the network. From one riddle to another they had to interpret the mysterious messages of the organizers; look for hidden messages in literary, artistic and musical works; solve ciphers, ancient and modern. Several times the applicants came across telephone numbers, and further instructions were given by a voice on the other end of the line. However, the most impressive were the sheets with clues, that appeared exactly at the appointed time o...