What is filled with leaves?
The bush is filled with leaves.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   10
2     0  to the right of    3
3     0  to the right of    5
4     2   to the left of    7
5     2   to the left of   11
6     3   to the left of    8
7     3   to the left of    4
8     3  to the right of   10
9     3   to the left of    0
10    4  to the right of    3
11    4      filled with    8
12    5   to the left of    0
13    5   to the left of    7
14    5   to the left of   11
15    7  to the right of    2
16    7  to the right of    5
17    7  to the right of   10
18    7      standing in    6
19    8  to the right of    3
20   10   to the left of   11
21   10   to the left of    7
22   10   to the left of    3
23   10   to the left of    0
24   11  to the right of    2
25   11  to the right of    5
26   11   to the left of    0
27   11  to the right of   10