What device is it?
The device is a camera.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    3
2     1               of    0
3     1   to the left of    5
4     1  to the right of    4
5     1  to the right of   10
6     2  to the right of    3
7     3               of    0
8     3   to the left of    0
9     3   to the left of    7
10    3   to the left of    2
11    4   to the left of    1
12    4               in   10
13    4   to the left of    5
14    4               on   10
15    5               of    0
16    5  to the right of   10
17    5  to the right of    4
18    5  to the right of    1
19    7               of    0
20    7  to the right of    3
21    7  to the right of    9
22    9   to the left of    0
23    9   to the left of   10
24    9   to the left of    7
25   10   to the left of    1
26   10               of    0
27   10  to the right of    9
28   10   to the left of    5