Is the bus the same color as the sky?
Yes, both the bus and the sky are blue.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0   to the left of    3
3     1   to the left of    5
4     1  to the right of    0
5     2  to the right of    0
6     3   to the left of   11
7     3  to the right of    0
8     3   to the left of   12
9     4   to the left of   12
10    4   to the left of   11
11    5  to the right of    1
12    5   to the left of   12
13    5   to the left of   11
14    6  to the right of    9
15    6   to the left of   11
16    9   to the left of    6
17    9   to the left of   11
18   11  to the right of    9
19   11             near   12
20   11  to the right of    6
21   11  to the right of    4
22   11  to the right of    5
23   11  to the right of    3
24   12  to the right of    4
25   12  to the right of    3
26   12  to the right of    5
27   12             near   11
28   12          next to   11