What is the device that is to the left of the monitor?
The device is a printer.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    1
2     0   to the left of   12
3     1   to the left of    3
4     1   to the left of    0
5     3               on    8
6     3   to the left of   12
7     3   to the left of    0
8     3  to the right of    1
9     4  to the right of   12
10    4  to the right of    6
11    5  to the right of    6
12    5   to the left of    7
13    5  to the right of   12
14    5      filled with    4
15    6               on    8
16    6  to the right of   12
17    6   to the left of    4
18    6   to the left of    5
19    7  to the right of   11
20    7               on    8
21    7  to the right of    5
22    8      in front of   10
23    9               on    8
24    9   to the left of   11
25   10           behind    8
26   10               by    8
27   11   to the left of    7
28   11  to the right of    9
29   12  to the right of    0
30   12   to the left of    5
31   12   to the left of    6
32   12  to the right of    3
33   12   to the left of    4