On which side of the image is the light bulb?
The light bulb is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    9
1     2  to the right of   15
2     2   to the left of    5
3     2   to the left of   10
4     3   to the left of    5
5     3  to the right of   15
6     4               on    7
7     5  to the right of    2
8     5  to the right of   14
9     5  to the right of    3
10    6  to the right of   12
11    6  to the right of   14
12    7   to the left of   15
13    8  to the right of    9
14    9   to the left of    8
15    9   to the left of    1
16   10  to the right of    2
17   10  to the right of   12
18   10  to the right of   14
19   11  to the right of   14
20   12  to the right of   15
21   12   to the left of    6
22   12   to the left of   10
23   14   to the left of   10
24   14   to the left of    5
25   14   to the left of    6
26   14   to the left of   11
27   15   to the left of    2
28   15   to the left of   12
29   15   to the left of    3
30   15  to the right of    7