Do you see either any giraffes or zebras?
Yes, there is a zebra.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    7
2     0  to the right of   12
3     2   to the left of    7
4     2  to the right of    3
5     3  to the right of   14
6     3   to the left of    2
7     3   to the left of   12
8     5   to the left of   12
9     7  to the right of    2
10    7   to the left of    0
11    7   to the left of   15
12    9   to the left of   15
13    9   to the left of    0
14   10   to the left of   15
15   11   to the left of   15
16   12  to the right of    3
17   12  to the right of    5
18   12   to the left of   15
19   12  to the right of   14
20   12   to the left of    0
21   14   to the left of   12
22   14   to the left of    3
23   15  to the right of   10
24   15  to the right of   11
25   15  to the right of    7
26   15  to the right of    9
27   15  to the right of   12