Which place is it?
It is a beach.
    src        edge_attr  dst
0     1   to the left of   16
1     1  to the right of    5
2     5   to the left of    1
3     7   to the left of   18
4     7      standing in    8
5     7               by   18
6     8  to the right of   11
7    11   to the left of    8
8    12  to the right of   15
9    15               on   14
10   15   to the left of   12
11   16  to the right of    1
12   18  to the right of    7
13   18      standing in    8