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标题: 魔方解答(3)(图) [打印本页]

作者: constant    时间: 2006-2-3 22:57
标题: 魔方解答(3)(图)

N=4k+2时,先做一个2k+1阶的魔方。然后在这个魔方的每格里添4个数,原格是1就添1,2,3,4,是2就添5,6,7,8,...。添的方法有三种:一种叫L,顺序为右上,左下,右下,左上;一种叫U,顺序为左上,左下,右下,右上;一种叫X,顺序为左上,右下,左下,右上。前k行都用L,第k+1行中间一格用U,其余用L,第k+2行中间一格用L,其余用U,剩下的k-1行都用X。(如下图)这种方法也叫LUX方法。

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作者: QFT    时间: 2006-2-4 01:27
标题: [@};-]great[@};-] but how they were discovered.

   great but how they were discovered.









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