What device isn't silver?
The device is a screen.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     1  to the right of   12
3     1  to the right of    7
4     1             near    7
5     1  to the right of    8
6     3  to the right of    9
7     3   to the left of    4
8     3  to the right of    6
9     4  to the right of    3
10    4               on    2
11    5   to the left of   12
12    5  to the right of   13
13    5               on    2
14    6   to the left of    3
15    6               on    2
16    7             near    1
17    7             near   11
18    7          next to    1
19    7   to the left of    1
20    7  to the right of   11
21    7               on    2
22    8  to the right of   11
23    8   to the left of    1
24    9           around   13
25    9   to the left of    3
26    9               on    2
27   10               on    2
28   10  to the right of   12
29   10  to the right of   14
30   11               on    2
31   11             near    7
32   11          next to    7
33   11   to the left of    8
34   11   to the left of    7
35   12   to the left of   10
36   12  to the right of    5
37   12   to the left of    1
38   12               on    2
39   12   to the left of   14
40   13               on    2
41   13   to the left of    5
42   14               on    2
43   14   to the left of   10
44   14  to the right of   12