Is the powder on a cookie?
No, the powder is on the cake.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    4
2     1   to the left of    6
3     1  to the right of    3
4     3   to the left of    1
5     3   to the left of    6
6     3               on    1
7     4   to the left of    0
8     5               on    7
9     6  to the right of    1
10    6  to the right of    0
11    6  to the right of    3
12    8               on    3
13    8               on    2