Is there any elephant or sheep in the picture?
Yes, there are elephants.
     src        edge_attr  dst
0      0  to the right of    9
1      0  to the right of    5
2      0  to the right of   23
3      0  to the right of   19
4      0  to the right of   20
..   ...              ...  ...
236   39  to the right of   32
237   39  to the right of   25
238   39   to the left of   14
239   39  to the right of   37
240   40   to the left of    5

[241 rows x 3 columns]