Where is it?
This is at the station.
    src        edge_attr  dst
0     1  to the right of    2
1     1  to the right of    5
2     2   to the left of    1
3     2   to the left of    6
4     2   to the left of    5
5     4               on    2
6     5               in    6
7     5   to the left of    1
8     5  to the right of    2
9     5   to the left of    6
10    6  to the right of    2
11    6  to the right of    5