Are there balls or crowns?
Yes, there is a ball.
    src        edge_attr  dst
0     0   to the left of   10
1     0  to the right of    8
2     1  to the right of    8
3     1  to the right of   14
4     1  to the right of    3
..  ...              ...  ...
59   17  to the right of    8
60   17  to the right of   14
61   17  to the right of   13
62   17  to the right of    3
63   17  to the right of    4

[64 rows x 3 columns]