What color is the bridge?
The bridge is red.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    7
2     1   to the left of    6
3     1   to the left of    7
4     2  to the right of   15
5     2     connected to   15
6     2     connected to   18
7     3     connected to   15
8     3     connected to   18
9     3  to the right of   15
10    6  to the right of    1
11    6   to the left of    7
12    7  to the right of    0
13    7  to the right of    1
14    7  to the right of    6
15    7   to the left of   11
16    7   to the left of   13
17    8   to the left of   14
18   10  to the right of   21
19   10  to the right of   15
20   10  to the right of   19
21   11   to the left of   24
22   11   to the left of   23
23   11   to the left of   22
24   11  to the right of   15
25   11  to the right of    7
26   11  to the right of    0
27   13  to the right of    7
28   14  to the right of    8
29   15   to the left of   21
30   15   to the left of   19
31   15   to the left of   11
32   15   to the left of    2
33   15   to the left of   10
34   15   to the left of    3
35   19   to the left of   10
36   19  to the right of   15
37   20   to the left of   23
38   21   to the left of   10
39   21  to the right of   15
40   22  to the right of   11
41   22  to the right of   26
42   23  to the right of   26
43   23  to the right of   25
44   23  to the right of   20
45   23  to the right of   11
46   24  to the right of   11
47   25   to the left of   23
48   26   to the left of   23
49   26   to the left of   22