4
6
7
3
3
2
5
4
2
6
7
6
2
3
6
5
7
5
7
6
8
4
10
4
3
6
5
3
4
3
5
4
14
15
3
2
8
3
5
3
7
4
5
2
3
4
8
11
11
11
9
9
Tree in a Tub