On which side of the picture is the spectator?
The spectator is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     1  to the right of    6
2     2   to the left of    6
3     2   to the left of   14
4     3   to the left of    6
5     5  to the right of    6
6     6   to the left of    5
7     6  to the right of    2
8     6  to the right of    3
9     6   to the left of    1
10    6  to the right of   13
11   11  to the right of    0
12   13   to the left of    6
13   14  to the right of    2