Are there either any numbers or words that are not red?
No, there are words but they are red.
    src        edge_attr  dst
0     2  to the right of   13
1     2  to the right of    6
2     2  to the right of   23
3     2  to the right of   16
4     4  to the right of   14
..  ...              ...  ...
79   23   to the left of    4
80   24   to the left of    7
81   24   to the left of    4
82   24   to the left of   14
83   24  to the right of   11

[84 rows x 3 columns]