What is covering the brown table?
The paper is covering the table.
    src        edge_attr  dst
0     0               on   12
1     1               in    2
2     2   to the left of    7
3     4               on    5
4     4             with    6
5     4               in    3
6     6               on    4
7     7  to the right of    2
8     9               on   12
9    11       covered by   13
10   13         covering   11
11   13               on    5