What is resting on the ground?
The wire is resting on the ground.
    src        edge_attr  dst
0     1  to the right of    9
1     2  to the right of   17
2     2  to the right of    3
3     2   to the left of    9
4     3   to the left of    2
5     3   to the left of   17
6     3   on the side of   14
7     3  to the right of   13
8     7       resting on    6
9     8   to the left of   15
10    9   to the left of    1
11    9   on the side of   14
12    9  to the right of    2
13   11  to the right of   12
14   12   to the left of   11
15   13   to the left of    3
16   13   to the left of   17
17   15  to the right of    8
18   17   on the side of   14
19   17   to the left of    2
20   17  to the right of    3
21   17  to the right of   13