What kind of animal are the numbers on?
The numbers are on the horse.
    src        edge_attr  dst
0     0               of    6
1     1           behind    2
2     1   to the left of    2
3     2  to the right of    1
4     2      in front of    1
5     3  to the right of   11
6     3  to the right of   12
7     3  to the right of    9
8     3               of    6
9     4               of    6
10    5   to the left of    6
11    5   to the left of   11
12    6  to the right of    5
13    9   to the left of    3
14    9  to the right of   12
15    9  to the right of   11
16   11   to the left of   12
17   11   to the left of    9
18   11   to the left of    3
19   11  to the right of    5
20   12               on    6
21   12   to the left of    9
22   12  to the right of   11
23   12   to the left of    3