Which place is it?
It is a train station.
    src        edge_attr  dst
0     0               of    3
1     0  to the right of    7
2     0   to the left of    8
3     2  to the right of    3
4     3   to the left of    9
5     3               at    4
6     3   to the left of    5
7     3   to the left of    2
8     3  to the right of    7
9     5  to the right of    8
10    5               at    4
11    5  to the right of    3
12    7   to the left of    0
13    7   to the left of    3
14    8   to the left of    5
15    8  to the right of    0
16    9  to the right of    3