On which side of the image is the lamp?
The lamp is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    5
1     2   to the left of    5
2     3   to the left of    8
3     4   to the left of    5
4     5  to the right of   10
5     5  to the right of    9
6     5  to the right of    2
7     5   to the left of    1
8     5  to the right of    4
9     6  to the right of    9
10    6  to the right of    7
11    7   to the left of   11
12    7   to the left of    6
13    8  to the right of    3
14    9   to the left of    6
15    9   to the left of    5
16   10   to the left of    5
17   11  to the right of    7