What's hanging from the gate?
The pipes are hanging from the gate.
    src        edge_attr  dst
0     1   to the left of   21
1     1   to the left of    9
2     2   to the left of   14
3     2  to the right of    9
4     2               of   21
5     3   to the left of    7
6     3   to the left of   19
7     4   to the left of   16
8     4   to the left of    5
9     5  to the right of    4
10    5   to the left of   10
11    5               of   21
12    5  to the right of   15
13    6   to the left of   10
14    7          wearing   17
15    7  to the right of    3
16    7   to the left of   20
17    8   to the left of    9
18    8   to the left of   21
19    9  to the right of    8
20    9   to the left of    2
21    9  to the right of    1
22    9               of   21
23    9  to the right of   18
24   10  to the right of   21
25   10  to the right of   16
26   10  to the right of    6
27   10  to the right of    5
28   11   to the left of   20
29   12   to the left of   21
30   14  to the right of    2
31   14               in   13
32   14   to the left of   20
33   14  to the right of   21
34   15   to the left of    5
35   15   to the left of   16
36   16  to the right of    4
37   16   to the left of   10
38   16  to the right of   15
39   17   to the left of   20
40   18   to the left of   21
41   18   to the left of    9
42   18       sitting on    8
43   19  to the right of    3
44   19   to the left of   20
45   20  to the right of   19
46   20  to the right of   21
47   20  to the right of   11
48   20  to the right of   14
49   20  to the right of   17
50   20     hanging from   14
51   20  to the right of    7
52   21  to the right of    1
53   21   to the left of   20
54   21  to the right of   18
55   21   to the left of   14
56   21  to the right of   12
57   21  to the right of    8
58   21   to the left of   10