Is the ladder on the left part of the photo?
No, the ladder is on the right of the image.
    src        edge_attr  dst
0     1   to the left of    3
1     2  to the right of    9
2     2  to the right of   13
3     2  to the right of    4
4     2  to the right of   16
5     2  to the right of   11
6     3  to the right of   15
7     3  to the right of   13
8     3  to the right of   11
9     3  to the right of   16
10    3  to the right of    1
11    3  to the right of    4
12    3               on    2
13    4   to the left of    2
14    4   to the left of    3
15    5   to the left of   13
16    5               in    7
17    6     hanging from    5
18    6   to the left of   13
19    6               on    5
20    8               on    5
21    8     hanging from    5
22    9  to the right of   11
23    9   to the left of   15
24    9   to the left of   10
25    9   to the left of    2
26   10  to the right of    9
27   10  to the right of   15
28   10  to the right of   11
29   11   to the left of   15
30   11   to the left of    9
31   11   to the left of    3
32   11   to the left of    2
33   11   to the left of   10
34   13  to the right of    5
35   13  to the right of   17
36   13  to the right of    6
37   13   to the left of    3
38   13   to the left of    2
39   15  to the right of    9
40   15  to the right of   11
41   15   to the left of   10
42   15   to the left of    3
43   16   to the left of    2
44   16   to the left of    3
45   17   to the left of   13