What is he using?
The man is using a watch.
     src        edge_attr  dst
0      2   to the left of   19
1      2               of    4
2      2   to the left of   16
3      2  to the right of   26
4      3               on   26
..   ...              ...  ...
159   31  to the right of   21
160   31  to the right of   23
161   31  to the right of   28
162   31  to the right of   29
163   32  to the right of    4

[164 rows x 3 columns]