Do you see a sheep to the left of the goat that looks dark and brown?
No, the sheep is to the right of the goat.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of   20
2      0  to the right of   18
3      0  to the right of   17
4      0  to the right of   16
..   ...              ...  ...
112   19  to the right of   18
113   20  to the right of   18
114   20  to the right of   15
115   20   to the left of    3
116   20   to the left of    0

[117 rows x 3 columns]