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