Which color is the bucket?
The bucket is white.
    src        edge_attr  dst
0     0   to the left of    7
1     1  to the right of    5
2     1  to the right of    4
3     2  to the right of    5
4     2  to the right of    4
5     3  to the right of    9
6     3  to the right of   10
7     3  to the right of   13
8     3  to the right of   12
9     4   to the left of    1
10    4   to the left of    2
11    4   to the left of    6
12    4   to the left of    7
13    5   to the left of    6
14    5   to the left of    2
15    5   to the left of    1
16    6  to the right of    5
17    6  to the right of    4
18    7  to the right of   11
19    7  to the right of    4
20    7  to the right of    0
21    7               of    1
22    8   to the left of   12
23    9   to the left of    3
24    9   to the left of   10
25    9   to the left of   13
26   10  to the right of    9
27   10   to the left of    3
28   11   to the left of    7
29   12  to the right of    8
30   12   to the left of    3
31   13  to the right of    9
32   13   to the left of    3