Are the kids to the left of the mother?
Yes, the kids are to the left of the mother.
    src        edge_attr  dst
0     0               on   12
1     0               on   14
2     1               in   19
3     1  to the right of   16
4     2  to the right of   16
5     2  to the right of    4
6     2  to the right of    7
7     2   to the left of   10
8     3   to the left of    7
9     3   to the left of   16
10    4  to the right of    6
11    4   to the left of   10
12    4  to the right of   12
13    4   to the left of    2
14    4  to the right of    7
15    4   to the left of   11
16    5   to the left of    7
17    5   to the left of   16
18    6   to the left of   16
19    6   to the left of    7
20    6   to the left of   12
21    6   to the left of    4
22    7  to the right of    3
23    7  to the right of    5
24    7   to the left of    2
25    7  to the right of    6
26    7   to the left of   16
27    7   to the left of    4
28    7   to the left of   11
29    7   to the left of   17
30    9               on   15
31    9   to the left of   11
32   10  to the right of    2
33   10  to the right of   16
34   10  to the right of    4
35   11  to the right of   17
36   11  to the right of    9
37   11  to the right of    7
38   11  to the right of   16
39   11  to the right of    4
40   11               of   13
41   12   to the left of    4
42   12  to the right of    6
43   12   to the left of   16
44   16   to the left of   11
45   16  to the right of   12
46   16   to the left of   10
47   16  to the right of    6
48   16   to the left of   18
49   16  to the right of    5
50   16  to the right of    3
51   16   to the left of    2
52   16   to the left of    1
53   16  to the right of    7
54   17  to the right of    7
55   17   to the left of   11
56   17   to the left of   18
57   18  to the right of   17
58   18  to the right of   16