Which side is the lamp on?
The lamp is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    5
2     1  to the right of    4
3     1   to the left of    2
4     1  to the right of   16
5     2  to the right of    1
6     2   to the left of   21
7     4   to the left of   16
8     4   to the left of    1
9     5   to the left of    0
10    5   to the left of    6
11    5   to the left of   24
12    6               on   20
13    6               on    3
14    6            above   10
15    6  to the right of    7
16    6            below   18
17    6  to the right of    0
18    6  to the right of    5
19    6  to the right of   12
20    7               on   22
21    7   to the left of   10
22    7   to the left of    6
23    9  to the right of   13
24   10   to the left of   11
25   10  to the right of    7
26   11               of    6
27   11  to the right of   10
28   12   to the left of    6
29   13   to the left of    9
30   13   on the side of    6
31   13  to the right of   17
32   15  to the right of   23
33   16   to the left of    1
34   16  to the right of    4
35   16   to the left of   19
36   17   to the left of   13
37   18            above    6
38   19  to the right of   16
39   21  to the right of    2
40   23   to the left of   15
41   24  to the right of    5