What is the counter made of?
The counter is made of metal.
    src        edge_attr  dst
0     0          next to    7
1     0             near    7
2     1  to the right of    6
3     2  to the right of    6
4     5  to the right of   11
5     6   to the left of   16
6     6   to the left of    2
7     6   to the left of    1
8     7             near    0
9    11   to the left of   16
10   11  to the right of   13
11   11   to the left of    5
12   11               on    3
13   13   to the left of   11
14   13   to the left of   14
15   14  to the right of   13
16   16  to the right of   11
17   16  to the right of    6
18   17               in    7