So, you can solve the Rubik's Cube, good for you, but what about the Square One? Erno Rubik is nothing compared to Karel Hršel and Vojtech Kopský, who invented the Square One puzzle, also called by its full title, "Back to Square One", or its shorter name of "Cube 21". It's shaped like a Rubik's Cube, but it's cut like a freak show, adding that layer of difficulty that challenges you.
This three-part video tutorial will show you exactly how to solve the Rubik's Cube inspired Square One puzzle. You'll soon learn that the Square 1 abides by a whole new list of algorithms and notation, so be prepared for an engaging good time.
You can download the algorithm cheat sheet here: http://thesixsides.com/rubikscube/downloads/sq1_alg_sheet.pdf
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