⌘X 22.1: Seventeen

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Grey: https://www.youtube.com/user/cgpgrey
Brady: https://www.youtube.com/user/numberphile

Discussion: http://www.reddit.com/r/CGPGrey/

http://brady-vs-grey.appspot.com/

https://www.youtube.com/watch?v=EQx8ezZbv7M

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Видео ⌘X 22.1: Seventeen канала Hello Internet