What is in the bag?
The fish is in the bag.
     src        edge_attr  dst
0      0   to the left of    1
1      0  to the right of    7
2      0   to the left of   11
3      0  to the right of   16
4      0  to the right of   19
..   ...              ...  ...
136   29   to the left of   20
137   29   to the left of   23
138   29   to the left of   10
139   29   to the left of   11
140   29   to the left of    0

[141 rows x 3 columns]