Is the dog on the right or on the left side?
The dog is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of    5
2     1   to the left of    7
3     2   to the left of    7
4     3  to the right of    9
5     3   to the left of   14
6     3   to the left of    5
7     3   to the left of   11
8     5  to the right of    3
9     5  to the right of    0
10    5  to the right of   14
11    6  to the right of    8
12    7  to the right of    1
13    7  to the right of    2
14    8   to the left of    6
15    9   to the left of    3
16    9            above   10
17   11  to the right of    0
18   11  to the right of    3
19   11  to the right of   14
20   14   to the left of   11
21   14  to the right of    3
22   14   to the left of    5