Are there umbrellas or buckets?
Yes, there is an umbrella.
    src        edge_attr  dst
0     0  to the right of    8
1     2  to the right of    6
2     3        on top of   11
3     3   to the left of    9
4     3  to the right of    6
5     3  to the right of   11
6     5   to the left of    9
7     6   to the left of   11
8     6   to the left of    3
9     6   to the left of    2
10    7  to the right of   11
11    7   to the left of    9
12    8   to the left of    0
13    9  to the right of    3
14    9  to the right of    7
15    9  to the right of    5
16    9  to the right of   11
17   11  to the right of    6
18   11   to the left of    7
19   11   to the left of    3
20   11   to the left of    9