Are there any doors or cars?
Yes, there are doors.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    9
2     3               on   10
3     5  to the right of   11
4     5   to the left of    0
5     5   to the left of    9
6     7   to the left of    8
7     7   to the left of   11
8     7   to the left of   12
9     8   to the left of    9
10    8  to the right of    7
11    8   to the left of   11
12    9  to the right of    8
13    9               of    3
14    9  to the right of    5
15    9  to the right of   11
16    9   to the left of    0
17   11  to the right of   12
18   11  to the right of    8
19   11  to the right of    7
20   11   to the left of    5
21   11   to the left of    9
22   12   to the left of   11
23   12  to the right of    7