Is this a zebra or a sheep?
This is a sheep.
    src        edge_attr  dst
0     1               of   14
1     1  to the right of   10
2     2               of   14
3     2  to the right of   10
4     2  to the right of    5
5     3  to the right of   13
6     3  to the right of    9
7     3  to the right of    7
8     4  to the right of   10
9     4               of   14
10    5               in    0
11    5   to the left of   15
12    5   to the left of   12
13    5   to the left of    2
14    5   to the left of   10
15    5   to the left of    6
16    6  to the right of    5
17    6  to the right of   10
18    6  to the right of   12
19    6  to the right of   15
20    7  to the right of   13
21    7               of   14
22    7   to the left of    3
23    7  to the right of    9
24    9   to the left of    3
25    9   to the left of   13
26    9   to the left of    7
27   10   to the left of   16
28   10  to the right of    5
29   10   to the left of    6
30   10   to the left of    4
31   10   to the left of    2
32   10   to the left of    1
33   10               of   14
34   12               of   14
35   12  to the right of    5
36   12   to the left of   16
37   12   to the left of    6
38   13   to the left of    3
39   13   to the left of    7
40   13  to the right of    9
41   14               in    0
42   15               of   14
43   15   to the left of   16
44   15  to the right of    5
45   15   to the left of    6
46   16               of   14
47   16  to the right of   10
48   16  to the right of   15
49   16  to the right of   12