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