Are there any printers or hard drives in this picture?
No, there are no hard drives or printers.
    src        edge_attr  dst
0     1   to the left of    5
1     4  to the right of   18
2     4   to the left of    5
3     5  to the right of    1
4     5  to the right of   11
5     5  to the right of    4
6     5  to the right of   18
7     5  to the right of   17
8     6               of   15
9    11   to the left of    5
10   11   to the left of   17
11   14               of   15
12   17  to the right of   11
13   17   to the left of    5
14   18   to the left of    4
15   18   to the left of    5