文件名称:C
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将1、2、3、4、5、6、7、8、9九个数字分成三组，每个数字只能用一次，即每组三个数不允许有重复数字，也不许同其它组的三个数字重复，要求每组中的三位数都组成一个完全平方数。-1,2,3,4,5,6,7,8,9 nine figures were divided into three groups, each number can only be used once, that is, groups of three does not allow duplicate numbers, also allowed other groups three digits repeated, each group of three digits form a perfect square.
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C.txt