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