Is this an old man?
Yes, this is an old man.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of   15
2     0  to the right of    9
3     0   to the left of   14
4     0   to the left of   11
..  ...              ...  ...
77   18  to the right of   16
78   19  to the right of    0
79   20  to the right of    8
80   20   to the left of   12
81   20  to the right of    2

[82 rows x 3 columns]