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