How old is the boy?
The boy is little.
    src        edge_attr  dst
0     0  to the right of   20
1     0   to the left of    7
2     0  to the right of   21
3     1  to the right of   17
4     2   to the left of    7
..  ...              ...  ...
76   24  to the right of   10
77   24  to the right of   13
78   24  to the right of   20
79   24  to the right of   21
80   24   to the left of   19

[81 rows x 3 columns]