What color is the icing?
The icing is pink.
    src        edge_attr  dst
0     0  to the right of    5
1     1  to the right of    3
2     3   to the left of    1
3     3   to the left of   14
4     5   to the left of    0
5     6   to the left of   12
6     7   to the left of   14
7     9  to the right of   14
8    10               of    4
9    11         touching   13
10   12  to the right of    6
11   14   to the left of    9
12   14  to the right of    7
13   14  to the right of    3
14   15               of    4