Which side is the large toy on?
The Lego is on the left of the image.
   src        edge_attr  dst
0    0   to the left of    2
1    0   to the left of    1
2    1               of    2
3    1  to the right of    0
4    2               on    7
5    2  to the right of    0
6    3               on    9
7    6               on    7