Is the clock in the bottom part or in the top?
The clock is in the top of the image.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    8
2     0  to the right of   21
3     0               at   13
4     0  to the right of    3
..  ...              ...  ...
58   19               at   13
59   21   to the left of   13
60   21   to the left of   16
61   21   to the left of   12
62   21   to the left of    0

[63 rows x 3 columns]