Are there sponges or helmets?
No, there are no helmets or sponges.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of   12
2     0  to the right of   14
3     0   to the left of    2
4     0  to the right of    8
..  ...              ...  ...
85   20   to the left of    8
86   20  to the right of    7
87   20  to the right of   14
88   20  to the right of   10
89   21  to the right of   14

[90 rows x 3 columns]