Are there any locks or chess pieces?
No, there are no chess pieces or locks.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    4
2     0   to the left of   21
3     0   to the left of   13
4     1   to the left of    6
..  ...              ...  ...
87   24  to the right of   16
88   24  to the right of    6
89   24  to the right of    5
90   24  to the right of    3
91   24  to the right of    2

[92 rows x 3 columns]