Are there any horses?
Yes, there is a horse.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    4
2     1   to the left of   19
3     1   to the left of    8
4     1   to the left of    2
5     1   to the left of   12
6     2   to the left of    8
7     2  to the right of    1
8     2   to the left of   19
9     2  to the right of   14
10    3  to the right of    9
11    3  to the right of    4
12    3  to the right of    0
13    4  to the right of    0
14    4  to the right of    9
15    4  to the right of    6
16    4   to the left of    3
17    5  to the right of   17
18    6   to the left of    4
19    7  to the right of   14
20    7  to the right of   18
21    7   to the left of    8
22    8  to the right of    1
23    8  to the right of   18
24    8  to the right of   14
25    8  to the right of    2
26    8  to the right of    7
27    9   to the left of    3
28    9   to the left of    4
29   12  to the right of   14
30   12  to the right of    1
31   12  to the right of   18
32   14   to the left of    8
33   14   to the left of   12
34   14   to the left of    2
35   14   to the left of   19
36   14   to the left of    7
37   17   to the left of    5
38   18   to the left of   19
39   18   to the left of    8
40   18   to the left of   12
41   18   to the left of    7
42   19  to the right of    1
43   19  to the right of    2
44   19  to the right of   18
45   19  to the right of   14