1 [1, 1]
1 [1, 10]
1 2
2 [1, 10]
2 1
3 [3, 8]
3 [3, 10]
3 [1, 10]
3 3
4 [3, 8]
4 [3, 10]
4 [1, 10]
4 3
5 [3, 8]
5 [3, 10]
5 [1, 10]
5 3
6 [3, 8]
6 [3, 10]
6 [1, 10]
6 3
7 [3, 8]
7 [7, 11]
7 [3, 10]
7 [1, 10]
7 4
8 [3, 8]
8 [7, 11]
8 [3, 10]
8 [1, 10]
8 4
9 [7, 11]
9 [3, 10]
9 [1, 10]
9 3
10 [7, 11]
10 [3, 10]
10 [1, 10]
10 3
4