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Do you know what toy earned the title of the most sold in the world? No, not the beauty of Barbie, and even designer Lego. The absolute leader in sales is considered to be much more intelligent thing - a Rubik's Cube. This year a bright puzzle Hungarian celebrates forty-first birthday. During the four decades of her tried to conquer millions. Today we'll show you a way to collect the "Rubik's Cube", using only two movements and a little secret.
In 1980 he opened a mailing list for fans of Rubik's Cube. Since then, thousands of lovers of puzzles, including a staggering number of mathematicians, engineers, and programmers have joined forces to find "God's algorithm": A way to collect the dice for the minimum number of moves. In July 2010, a programmer from Palo Alto Tomas Rokicki, a mathematics teacher from Darmstadt Herbert Kotsemba, a mathematician at the University of Kent Morley Davidson and engineer of Google Inc. John Detridzh proved that each configuration Rubik cube can be solved by not more than 20 strokes. A current record - 4.94 seconds. Well, the method described below does not guarantee a high-speed solution. But why not test the theory in practice?
Method The author claims that he can collect the Rubik's cube, repeating only two combinations. You can start from any position.
Simply turn the left face.
Now turn the top face.
Repeat these two combinations of each other. How many times? Until you collect!
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Video demonstration This method has already gathered more than 14 million views. Of course, in the comments there were many malcontents who could not solve the puzzle. Maybe they are just long enough repeated combination?
Pay attention to how quickly "fly" of the cube in the hands of professionals? It turns out that there is a little trick. To expedite the process, you need to use... the grease! Suitable liquid silicone.
Turn the face of the cube into position as pictured.
With a screwdriver gently remove one of the central fragments.
Add in his place a little grease.
Return the fragment in place and practice with a cube a few minutes to distribute the silicon between faces. However, it became much easier?
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