Do you see a towel?
No, there are no towels.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   19
2     0   to the left of   11
3     0   to the left of    2
4     0   to the left of    6
..  ...              ...  ...
84   19  to the right of    8
85   20               on   17
86   20  to the right of   15
87   20  to the right of   16
88   20  to the right of   13

[89 rows x 3 columns]