Is the box metallic?
Yes, the box is metallic.
   src        edge_attr  dst
0    1  to the right of    9
1    1   to the left of    2
2    1             near    5
3    2  to the right of    1
4    3   to the left of    5
5    5             near    1
6    5  to the right of    3
7    6  to the right of   10
8    9   to the left of    1
9   10   to the left of    6