Do you think the bridge is yellow?
No, the bridge is gray.
    src        edge_attr  dst
0     0   to the left of   20
1     0  to the right of   18
2     0             near    1
3     0   to the left of   14
4     1  to the right of   17
5     1  to the right of   14
6     1          next to    0
7     2   to the left of   10
8     3   to the left of    6
9     5           behind   10
10    5   to the left of   20
11    5   to the left of   14
12    6  to the right of    3
13    6  to the right of    9
14    6  to the right of   21
15    6  to the right of    7
16    7  to the right of    9
17    7   to the left of    6
18    9   to the left of    6
19    9   to the left of    7
20    9   to the left of   21
21   10  to the right of    2
22   10   to the left of   17
23   10      in front of    5
24   10  to the right of   16
25   10  to the right of   11
26   10   to the left of   14
27   11   to the left of   13
28   11   to the left of   17
29   11   to the left of   10
30   12               on   13
31   12   to the left of   20
32   12   to the left of   15
33   13  to the right of   16
34   13   to the left of   15
35   13  to the right of   11
36   14   to the left of    1
37   14  to the right of    5
38   14  to the right of    0
39   14  to the right of   10
40   14   to the left of   20
41   15  to the right of   12
42   15  to the right of   17
43   15  to the right of   13
44   16   to the left of   13
45   16   to the left of   10
46   17   to the left of    1
47   17  to the right of   10
48   17  to the right of   11
49   17   to the left of   15
50   17   to the left of   20
51   18   to the left of    0
52   20  to the right of    0
53   20  to the right of   14
54   20  to the right of   17
55   20  to the right of   12
56   20  to the right of    5
57   21   to the left of    6
58   21  to the right of    9