How big is the metal device?
The camera is large.
    src        edge_attr  dst
0     1  to the right of    2
1     2   on the side of    7
2     2   to the left of    3
3     2   to the left of    9
4     2   to the left of    1
5     3  to the right of    2
6     4  to the right of    6
7     4  to the right of    5
8     5   to the left of    4
9     6   to the left of    4
10    9  to the right of    2