How does the cow's horn look, white or black?
The horn is black.
    src        edge_attr  dst
0     0   to the left of   10
1     2  to the right of    8
2     3  to the right of   15
3     4   to the left of    7
4     4   to the left of    6
5     5   to the left of    6
6     5   to the left of    7
7     6  to the right of    4
8     6  to the right of   16
9     6  to the right of    5
10    7  to the right of    5
11    7  to the right of    4
12    7  to the right of   16
13    7               in    6
14    8   to the left of    2
15    9             near   14
16   10   to the left of   11
17   10  to the right of    0
18   11  to the right of   14
19   11  to the right of   10
20   13  to the right of   14
21   14          next to   15
22   14          next to    9
23   14             near   15
24   14           behind   15
25   14   to the left of   13
26   14   to the left of   11
27   15   to the left of    3
28   15      in front of   14
29   15               on   13
30   15             near   14
31   15          next to   14
32   16   to the left of    6
33   16   to the left of    7