What is the device called?
The device is a router.
    src        edge_attr  dst
0     0               of   14
1     0   to the left of    7
2     0   to the left of    4
3     0   to the left of    1
4     0  to the right of    8
5     0  to the right of   13
6     0   to the left of   12
7     0   to the left of   19
8     1               of   14
9     1  to the right of    0
10    1   to the left of    5
11    1  to the right of   12
12    2  to the right of   16
13    4  to the right of   12
14    4   to the left of    7
15    4   to the left of    5
16    4  to the right of    0
17    5  to the right of    4
18    5  to the right of    1
19    5  to the right of   19
20    7  to the right of    4
21    7  to the right of   12
22    7  to the right of    0
23    8   to the left of    0
24    8   to the left of   19
25   11           behind   14
26   12   to the left of    4
27   12   to the left of    7
28   12   to the left of    1
29   12               of   14
30   12  to the right of    0
31   13               of   14
32   13   to the left of    0
33   13   to the left of   19
34   14      in front of   11
35   16               of   14
36   16   to the left of    2
37   17   to the left of   18
38   18  to the right of   17
39   19  to the right of   13
40   19  to the right of    8
41   19   to the left of    5
42   19  to the right of    0