How big is this vase?
The vase is large.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    1
2     1  to the right of    0
3     1  to the right of    4
4     1  to the right of    3
5     3  to the right of    4
6     3   to the left of    1
7     3  to the right of    0
8     4               on    8
9     4   to the left of    1
10    4   to the left of    3
11    6               on    8