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例子
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对于n=1，集合是{1}。
对于n=2，集合是{1,2,4,8,9,12}，{3,5,6,7,10,11}。
对于n=3，集合是{2,5,9,11,14,15,17,23}，{1,4,7,8,12,16,20,22}，}3,6,10,13,18,19,21}。
对于n=4，集合为（全部3个）：
{1,2,3,4,14,18,24}, {7,9,21,23}, {8,10,11,16,17,22}, {5,6,12,13,15,19,20}
或
{1,8,10,11,18,24}, {7,9,21,23}, {2,3,4,14,16,17,22}, {5,6,12,13,15,19,20}
或
{1,2,3,4,14,18,24}, {7,9,21,23}, {5,6,8,11,13,15,16,22}, {10,12,17,19,20}.
对于n=5，集合是{2,4,9,15,24}，{1,18,23}，}8,14,16,22}，[3]5,12,21}，[2]6,7,10,11,13,17,20}。
对于n=6，集合是{4,11,13,27,35}，{9,12,29,34}，}1,5,7,14,30,33}，[6,15,31,32}，[2,3,8,10,19,20,23,25,28}，[16,17,18,21,22,24,26}。
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