On which side is the bull?
The bull is on the right of the image.
    src        edge_attr  dst
0     2   to the left of    8
1     2   to the left of   11
2     2   to the left of   13
3     2       covered by    4
4     2   to the left of   10
5     4         covering    2
6     4   to the left of   13
7     4   to the left of   10
8     6   to the left of    8
9     6   to the left of   11
10    6   to the left of   13
11    6   to the left of   10
12    8   to the left of   13
13    8  to the right of    2
14    8  to the right of    6
15   10  to the right of    6
16   10  to the right of    2
17   10  to the right of    4
18   11  to the right of    2
19   11  to the right of    6
20   13  to the right of    4
21   13  to the right of    2
22   13  to the right of    6
23   13  to the right of    8