Does the bus appear to be blue?
No, the bus is white.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of   10
2     1   on the side of   12
3     1   to the left of    5
4     1   to the left of    9
5     2   to the left of    9
6     2   to the left of    5
7     3   to the left of    8
8     3   to the left of    9
9     5  to the right of    1
10    5  to the right of   10
11    5  to the right of    2
12    5  to the right of   11
13    8        parked in   12
14    8  to the right of    3
15    9  to the right of   11
16    9  to the right of    1
17    9  to the right of    3
18    9  to the right of   10
19    9  to the right of    2
20   10   to the left of    9
21   10  to the right of    1
22   10   to the left of    5
23   11   on the side of   10
24   11   to the left of    9
25   11   to the left of    5
26   11  to the right of    1