Is the clock on the left of the image?
Yes, the clock is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   21
1     1  to the right of    3
2     1  to the right of   19
3     1   to the left of   21
4     2   to the left of   21
..  ...              ...  ...
68   21  to the right of   11
69   21  to the right of    4
70   21  to the right of   12
71   21  to the right of   20
72   21  to the right of   13

[73 rows x 3 columns]