Are there white printers or speakers?
No, there is a speaker but it is black.
    src        edge_attr  dst
0     0          hitting   14
1     1  to the right of    9
2     1          holding    0
3     1   to the left of   10
4     1   to the left of    8
5     1  to the right of    7
6     1  to the right of   12
7     1  to the right of    4
8     1  to the right of   13
9     1          hitting   14
10    3  to the right of   12
11    3   to the left of   11
12    3  to the right of    7
13    3   to the left of    8
14    3   to the left of   10
15    3  to the right of    9
16    3  to the right of   13
17    3  to the right of    4
18    4   to the left of    3
19    4   to the left of    1
20    4   to the left of   15
21    6         watching    3
22    6               at    3
23    6  to the right of   14
24    7   to the left of   15
25    7   to the left of    1
26    7   to the left of    3
27    8  to the right of    3
28    8  to the right of   15
29    8  to the right of    1
30    9   to the left of    1
31    9   to the left of    3
32    9   to the left of   15
33   10  to the right of    1
34   10  to the right of    3
35   10  to the right of   15
36   11  to the right of    3
37   12   to the left of   15
38   12   to the left of    1
39   12   to the left of    3
40   13   to the left of    3
41   13   to the left of   15
42   13   to the left of    1
43   14   to the left of    6
44   15  to the right of    7
45   15   to the left of    8
46   15  to the right of    9
47   15  to the right of   13
48   15  to the right of    4
49   15  to the right of   12
50   15   to the left of   10