In 1974, Hungarian architecture professor and sculptor Erno Rubik created a cube, which is called Rubik’s Cube. This is a 3D puzzle, which has square boxes of different colors and the boxes of the same color have to be joined together, then the puzzle is solved. It is not easy to solve this, people have to work very hard. Now a smaller version of this Rubik’s Cube (Smallest Rotating Puzzle) has been made, which is equal to a grain of rice. It is so small that it is difficult to…
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