| 例子
|
[[1];
[[1], [1, 2];
[[2], [1, 2], [1, 3];
[[3], [2, 4], [1, 3], [1, 2, 4];
[[5] ,[3,6],[2,6],[1,2,4],[1,5];
[[7], [5, 10], [3, 9], [2, 4, 8], [1, 5], [1, 2, 3, 6];
[[11], [7, 14], [5, 15], [3, 6, 12], [2, 10], [1, 2, 3, 6], [1, 7];
...
...
--
--
1;
--
--
1,
1, 2;
-----
-----
2,
1, 2,
1, 3;
-----
-----
3中,
2, 4,
1, 3,
1, 2, 4;
--------
--------
5,
3, 6,
2、6,
1, 2, 4,
1, 5;
--------
--------
|