Do you see trains there that are red?
Yes, there is a train that is red.
    src        edge_attr  dst
0     0             near    1
1     1          next to    0
2     1   to the left of    8
3     1   to the left of    6
4     2  to the right of   11
5     3   to the left of   10
6     3  to the right of    5
7     3  to the right of    7
8     4   to the left of    7
9     4  to the right of    6
10    5   to the left of   10
11    5   to the left of    3
12    5  to the right of    8
13    6  to the right of   12
14    6   to the left of    4
15    6  to the right of    1
16    6  to the right of    9
17    6   to the left of    8
18    7   to the left of    3
19    7  to the right of    4
20    7  to the right of    8
21    7   to the left of   10
22    8   to the left of    5
23    8  to the right of    1
24    8  to the right of    6
25    8   to the left of    7
26    9   to the left of    6
27   10  to the right of    5
28   10  to the right of    7
29   10  to the right of    3
30   11   to the left of    2
31   12   to the left of    6