Do you see both a plate and a fork?
Yes, there are both a fork and a plate.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of    3
2     0  to the right of   13
3     0  to the right of    5
4     0  to the right of    8
..  ...              ...  ...
86   17   to the left of   11
87   17   to the left of   14
88   17  to the right of   15
89   17   to the left of    1
90   17  to the right of   13

[91 rows x 3 columns]