Do you see bicycles there?
Yes, there is a bicycle.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of   10
2     0               on    2
3     0   to the left of   11
4     1   to the left of    7
5     1  to the right of    2
6     2   to the left of   11
7     2   to the left of    5
8     2   to the left of    1
9     2   to the left of    7
10    3  to the right of   10
11    5  to the right of    0
12    5  to the right of    2
13    5  to the right of   10
14    5   to the left of    7
15    5  to the right of   12
16    7  to the right of    2
17    7  to the right of    1
18    7  to the right of    5
19    7  to the right of   11
20    7  to the right of   12
21    8               on    9
22    8   to the left of   13
23   10  to the right of    0
24   10   to the left of    5
25   10   to the left of    3
26   10      standing on   12
27   11  to the right of    2
28   11  to the right of   12
29   11   to the left of    7
30   11  to the right of    0
31   12   to the left of    7
32   12   to the left of    5
33   12   to the left of   11
34   13  to the right of    8