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