Is this a lamb or a zebra?
This is a lamb.
     src        edge_attr  dst
0      0               of   25
1      0   to the left of   12
2      0   to the left of   26
3      0   to the left of   16
4      0   to the left of    8
..   ...              ...  ...
108   28  to the right of   27
109   29   to the left of   12
110   29  to the right of   24
111   29   to the left of   16
112   29   to the left of    5

[113 rows x 3 columns]