Is the clock on the right of the image?
Yes, the clock is on the right of the image.
   src        edge_attr  dst
0    2  to the right of    3
1    2  to the right of   13
2    2   to the left of    5
3    2  to the right of   10
4    3   to the left of    2
5    4   to the left of   11
6    5  to the right of    2
7   10   to the left of    2
8   11  to the right of    4
9   13   to the left of    2