How wide is the street?
The street is narrow.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    9
2     0  to the right of    5
3     0  to the right of    6
4     0  to the right of    3
5     0  to the right of    7
6     2   to the left of    0
7     2  to the right of    5
8     3  to the right of    5
9     3   to the left of    0
10    5   to the left of    0
11    5   to the left of    3
12    5   to the left of    2
13    6   to the left of    0
14    6   to the left of    9
15    6  to the right of   10
16    7  to the right of   10
17    7   to the left of    0
18    7        parked on    8
19    7   to the left of    9
20    9  to the right of    6
21    9   to the left of    0
22    9  to the right of    7
23    9  to the right of   10
24   10   to the left of    9
25   10   to the left of   11
26   10   to the left of    6
27   10   to the left of    7
28   11  to the right of   10