On which side is the child?
The child is on the right of the image.
    src        edge_attr  dst
0     0        on top of    1
1     2               by    3
2     2   to the left of   21
3     2   to the left of   13
4     2  to the right of   24
..  ...              ...  ...
81   24   to the left of    3
82   24   to the left of    2
83   24  to the right of   19
84   24   to the left of   13
85   24   to the left of   21

[86 rows x 3 columns]