On which side of the picture is the spectator?
The spectator is on the right of the image.
     src        edge_attr  dst
0      0   to the left of   11
1      0   to the left of   12
2      3   to the left of    9
3      3  to the right of   10
4      3  to the right of   25
..   ...              ...  ...
117   25   to the left of    9
118   25   to the left of   11
119   25  to the right of   21
120   25   to the left of   20
121   25   to the left of    3

[122 rows x 3 columns]