魔方推群论/Visual Group Theory:§1.1 A famous toy_哔哩哔哩_bilibili 魔方推群论/Visual Group Theory:§1.2 Considering the cube_哔哩哔哩_bilibili 魔方推群论/Visual Group Theory:§1.3 The study of symmetry_哔哩哔哩_bilibili
使用钳工技巧,可以改善数学问题。 关于三阶魔方,2010年有人耗费了35CPU年,计算得到了以上数据。 16 步, about 1,100,000,000,000,000,000; 17 步, about 12,000,000,000,000,000,000; 18 步, about 29,000,000,000,000,000,000; 19 步, about 1,500,000,000 ...