On which side is the cup, the right or the left?
The cup is on the left of the image.
    src        edge_attr  dst
0     1  to the right of    3
1     2  to the right of    4
2     2  to the right of    7
3     3   to the left of    1
4     4   to the left of    5
5     4               on    5
6     4   to the left of    2
7     5  to the right of    7
8     5  to the right of    4
9     7   to the left of    5
10    7   to the left of    2