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In 2x50, a meteorite hit the earth, and the crash location was Dana. For unknown reasons, Dana, who had been silent and did not take any action, suddenly went crazy, announcing to the world that he was the strongest empire, and continued to invade. Huangyang, Dongli, Zhouni, and the Allied Powers formed a united front. During the confrontation, all countries were surprised to find that there were a large number of women in Dena. Their strength was many times greater than that of ordinary people, and each individual had an ability. The strongest individual could not even defeat mechas, armors, lasers, nuclear and hydrogen bombs. In the end, all the countries in the world finally defeated Dana after sacrificing billions of people. Generals from various countries discovered a huge blue cube in Dena, with unknown energy flowing on it. Suddenly the cube decomposed into several Rubik's Cubes, and several Rubik's Cubes soared into the sky without knowing where to go, leaving only twenty-seven smaller Rubik's Cubes in place. After discussions among various countries, the original large Rubik's Cube was named the Original Rubik's Cube. The decomposed Rubik's Cube was called the Mental Rubik's Cube. The Mental Rubik's Cube can be decomposed again into a cube with a side length of 50 centimeters, but the original Mind Rubik's Cube will not change. The disassembled Rubik's Cube is called a sub-cube. In the end, four were classified as Huangyang, six were equally divided between Dongli and Zhouni, and the others were divided among the participating countries with the greatest contribution, one for each country.