What's he doing?
The man is brushing teeth.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of    7
2      0  to the right of    5
3      0   to the left of    6
4      0  to the right of   12
..   ...              ...  ...
96    19   to the left of   11
97    20   to the left of    5
98    20   to the left of   10
99    20   to the left of    0
100   20   to the left of   15

[101 rows x 3 columns]