Are these bears or wolves?
These are bears.
    src        edge_attr  dst
0     1  to the right of    9
1     2  to the right of    9
2     2  to the right of    7
3     3  to the right of    6
4     3   to the left of    5
5     4               on    6
6     5  to the right of    3
7     6   to the left of    3
8     7               of    9
9     7   to the left of    2
10    8               of    9
11    9               on    5
12    9   to the left of    2
13    9   to the left of    1
14   10               of    9