1
2
1
3
1
2
10
1
1
10
1
1
2
4
1
5
4
1
12
15
2
11
1
3
2
2
3
1
1
1
2
14
9
1
2
1
3
3
2
1
2
1
2
3
1
2
5
1
1
3
2
1
2
2
1
2
1
7
2
4
2
12
3
5
2
8
2
8
2
2
4
1
2
7
2
1
14
1
7
1
1
7
1
1
Trimming the Tree