1 [1, 20]
1 1
2 [1, 20]
2 1
3 [3, 19]
3 [1, 20]
3 2
4 [3, 19]
4 [4, 5]
4 [1, 20]
4 3
5 [5, 20]
5 [3, 19]
5 [4, 5]
5 [1, 20]
5 4
6 [5, 20]
6 [3, 19]
6 [1, 20]
6 [6, 15]
6 4
7 [5, 20]
7 [3, 19]
7 [1, 20]
7 [6, 15]
7 4
8 [5, 20]
8 [3, 19]
8 [1, 20]
8 [6, 15]
8 4
9 [5, 20]
9 [3, 19]
9 [1, 20]
9 [6, 15]
9 [9, 14]
9 5
10 [5, 20]
10 [3, 19]
10 [1, 20]
10 [6, 15]
10 [9, 14]
10 5
11 [5, 20]
11 [3, 19]
11 [11, 20]
11 [1, 20]
11 [6, 15]
11 [9, 14]
11 6
12 [5, 20]
12 [3, 19]
12 [11, 20]
12 [1, 20]
12 [6, 15]
12 [9, 14]
12 [12, 13]
12 7
13 [5, 20]
13 [3, 19]
13 [11, 20]
13 [1, 20]
13 [6, 15]
13 [13, 19]
13 [9, 14]
13 [12, 13]
13 8
14 [5, 20]
14 [3, 19]
14 [11, 20]
14 [1, 20]
14 [14, 18]
14 [6, 15]
14 [13, 19]
14 [9, 14]
14 8
15 [5, 20]
15 [3, 19]
15 [11, 20]
15 [1, 20]
15 [14, 18]
15 [6, 15]
15 [13, 19]
15 7
16 [5, 20]
16 [3, 19]
16 [11, 20]
16 [1, 20]
16 [14, 18]
16 [13, 19]
16 6
17 [5, 20]
17 [3, 19]
17 [11, 20]
17 [1, 20]
17 [14, 18]
17 [13, 19]
17 6
18 [5, 20]
18 [3, 19]
18 [11, 20]
18 [1, 20]
18 [14, 18]
18 [13, 19]
18 6
19 [5, 20]
19 [3, 19]
19 [11, 20]
19 [1, 20]
19 [13, 19]
19 5
8