Does the sky look blue?
Yes, the sky is blue.
    src        edge_attr  dst
0     1   to the left of    9
1     1   to the left of    3
2     1  to the right of    7
3     1  to the right of   12
4     2  to the right of    6
..  ...              ...  ...
65   14   to the left of    3
66   15   to the left of    9
67   15  to the right of   11
68   15  to the right of   13
69   15  to the right of    6

[70 rows x 3 columns]