Do you see any benches or mouse pads in the picture?
Yes, there is a bench.
    src        edge_attr  dst
0     2   to the left of   13
1     2   to the left of   15
2     2   to the left of    6
3     2   to the left of   16
4     3   to the left of    4
5     3  to the right of   16
6     3  to the right of   13
7     3  to the right of   15
8     3  to the right of    6
9     3   to the left of   17
10    4  to the right of   16
11    4  to the right of   13
12    4  to the right of    3
13    4  to the right of   15
14    4  to the right of    7
15    6  to the right of    2
16    6   to the left of    3
17    6   to the left of   15
18    7  to the right of   12
19    7   to the left of    4
20    7   to the left of   17
21   12   to the left of    7
22   13   to the left of   17
23   13   to the left of    4
24   13   to the left of    3
25   13  to the right of    2
26   15   to the left of    4
27   15   to the left of    3
28   15  to the right of    6
29   15  to the right of    2
30   16   to the left of    4
31   16   to the left of    3
32   16  to the right of    2
33   17  to the right of    3
34   17  to the right of   13
35   17  to the right of    7