Does the vase that looks empty look tall?
No, the vase is short.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    3
2     0   to the left of    1
3     1  to the right of    4
4     1  to the right of    0
5     1  to the right of    3
6     1  to the right of    6
7     1  to the right of    5
8     1  to the right of    7
9     3   to the left of    4
10    3   to the left of    5
11    3   to the left of    1
12    3   to the left of    0
13    3   to the left of    8
14    3   to the left of    7
15    4   to the left of    1
16    4  to the right of    6
17    4  to the right of    3
18    5  to the right of    3
19    5  to the right of    6
20    5   to the left of    1
21    6   to the left of    5
22    6   to the left of    4
23    6   to the left of    1
24    6   to the left of    0
25    7   to the left of    1
26    7  to the right of    3
27    8           inside    4
28    8  to the right of    3