Which place is it?
It is a mall.
    src        edge_attr  dst
0     3               in   15
1     3      in front of    7
2     3               on   12
3     3   to the left of    6
4     3  to the right of   10
5     3   to the left of    4
6     4  to the right of    3
7     5   to the left of   17
8     6               in   15
9     6  to the right of    3
10    8   to the left of    9
11    8   to the left of   16
12    9  to the right of   18
13    9  to the right of   16
14    9  to the right of    8
15   10   to the left of    3
16   11  to the right of   14
17   14   to the left of   11
18   16  to the right of    8
19   16               in   15
20   16   to the left of    9
21   16  to the right of   18
22   17  to the right of    5
23   17               in   15
24   18   to the left of   16
25   18               in   15
26   18   to the left of    9