What is inside the boat?
The life jacket is inside the boat.
     src        edge_attr  dst
0      0           inside   19
1      0  to the right of   21
2      0  to the right of   13
3      0  to the right of    2
4      0  to the right of   12
..   ...              ...  ...
105   21   to the left of    5
106   21  to the right of   18
107   21   to the left of    0
108   21  to the right of    2
109   21   to the left of    1

[110 rows x 3 columns]