What's the clock on?
The clock is on the wall.
    src        edge_attr  dst
0     1  to the right of    3
1     2  to the right of    4
2     2  to the right of   14
3     2  to the right of    6
4     2  to the right of   10
..  ...              ...  ...
56   17   to the left of   13
57   17  to the right of    3
58   18   to the left of   10
59   18   to the left of   15
60   19   to the left of   11

[61 rows x 3 columns]