What is the zebra doing?
The zebra is walking.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   14
2     0  to the right of    1
3     1   to the left of    0
4     1  to the right of   14
5     1   to the left of   13
6     1  to the right of    2
7     2   to the left of   13
8     2   to the left of    0
9     2   to the left of    1
10    2   to the left of   14
11    3             near   17
12    3             near    8
13    4  to the right of   17
14    4  to the right of   15
15    8           behind   10
16    8          next to    3
17    8  to the right of   11
18   10               on    3
19   10         crossing    3
20   10      in front of    8
21   11   to the left of    8
22   13  to the right of    2
23   13  to the right of   14
24   13  to the right of    1
25   14   to the left of   13
26   14   to the left of    0
27   14   to the left of    1
28   14  to the right of    2
29   15   to the left of    4
30   17   to the left of    4
31   17          next to    3