Are there paddles or mailboxes in the scene?
No, there are no mailboxes or paddles.
    src        edge_attr  dst
0     0   to the left of    9
1     2   to the left of    6
2     2   to the left of   11
3     2   to the left of    9
4     2               in    7
5     4               in    7
6     4   to the left of   10
7     5               on    1
8     6  to the right of    2
9     6   to the left of   10
10    6               on    1
11    8  to the right of   11
12    9  to the right of    0
13    9  to the right of    2
14   10  to the right of    6
15   10  to the right of    4
16   10  to the right of   11
17   11  to the right of    2
18   11   to the left of    8
19   11   to the left of   10
20   11               on    9