2x2x2 Cube
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The 2x2x2 Cube (also known as a Pocket Cube or Mini Cube and normally referred to as the 2x2x2 or 2x2) is a twistable puzzle in the shape of a cube that is cut once along each of three axes. The main brands are the Rubik's and East Sheen cubes, which were patented by Erno Rubik in 1983 and Chen Sen Li in 1998, respectively. This puzzle has 8 corner pieces only. The 2x2x2 cube has 3,674,160 possible positions, each of which can be solved in 11 turns (HTM) or fewer.
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