What is the clock on?
The clock is on the clock tower.
    src        edge_attr  dst
0     0  to the right of    2
1     0   to the left of    7
2     0  to the right of   17
3     1  to the right of    2
4     1  to the right of   17
..  ...              ...  ...
60   17   to the left of    8
61   18   to the left of   19
62   18   to the left of    8
63   19  to the right of   10
64   19  to the right of   18

[65 rows x 3 columns]