What is inside the container?
The toilet brush is inside the container.
    src        edge_attr  dst
0     0  to the right of    2
1     2   to the left of    0
2     2   to the left of   12
3     2   to the left of    4
4     2  to the right of    7
5     2  to the right of    6
6     3   to the left of   12
7     4  to the right of    2
8     4  to the right of   12
9     6           inside    7
10    6   to the left of    2
11    6   to the left of    8
12    7   to the left of    2
13    8   to the left of   12
14    8  to the right of    6
15    9  to the right of   11
16    9  to the right of   10
17   10   to the left of    9
18   11   to the left of    9
19   12  to the right of    2
20   12  to the right of    8
21   12   to the left of    4
22   12  to the right of    3