Which animal is this, an elephant or a wolf?
This is an elephant.
     src        edge_attr  dst
0      0   to the left of   42
1      0  to the right of   43
2      0   to the left of   18
3      0   to the left of   19
4      0  to the right of   23
..   ...              ...  ...
335   45   to the left of   27
336   45   to the left of   10
337   45   to the left of    7
338   45   to the left of   15
339   45   to the left of   12

[340 rows x 3 columns]