Does the device that is not closed look black?
Yes, the laptop is black.
    src        edge_attr  dst
0     2  to the right of   10
1     2  to the right of    9
2     3   to the left of   11
3     3   to the left of    4
4     4  to the right of    5
5     4  to the right of    3
6     4  to the right of   14
7     4  to the right of   13
8     4  to the right of    6
9     4  to the right of   12
10    4  to the right of    8
11    5   to the left of    9
12    5   to the left of    4
13    6   to the left of   11
14    6   to the left of    4
15    6  to the right of   12
16    8   to the left of    4
17    8   to the left of   11
18    9   to the left of    2
19    9  to the right of    5
20    9  to the right of   10
21    9  to the right of   13
22    9   to the left of   15
23   10   to the left of    2
24   10   to the left of    9
25   11  to the right of    3
26   11  to the right of    6
27   11  to the right of   14
28   11  to the right of    8
29   11  to the right of   12
30   12   to the left of   11
31   12   to the left of    6
32   12   to the left of    4
33   13   to the left of    9
34   13   to the left of    4
35   14   to the left of    4
36   14   to the left of   11
37   15  to the right of    9