Is there a bear or a cat in the picture?
No, there are no bears or cats.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of    9
2     2  to the right of    3
3     2               of    0
4     3   to the left of    2
5     3   to the left of    8
6     3   to the left of    4
7     4  to the right of    3
8     7   to the left of   10
9     8  to the right of    3
10    9  to the right of    1
11    9  to the right of   11
12   10  to the right of    7
13   11   to the left of    9
14   11  to the right of    1