Is that a cell phone or a computer?
That is a computer.
    src        edge_attr  dst
0     0  to the right of   16
1     0   to the left of   15
2     0  to the right of   20
3     1  to the right of   20
4     1   to the left of    7
..  ...              ...  ...
62   22   to the left of   14
63   22   to the left of   15
64   22   to the left of   11
65   22   to the left of    6
66   22   to the left of    4

[67 rows x 3 columns]