What color does the icing the cake is with have?
The icing has blue color.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of   17
2     1               of   11
3     1               of    0
4     1  to the right of    7
5     1  to the right of    5
6     2       covered in   10
7     2   to the left of   11
8     2   to the left of    9
9     3  to the right of    9
10    4  to the right of   16
11    5   to the left of    1
12    5   to the left of   10
13    5   to the left of   11
14    7   to the left of   11
15    7   to the left of    1
16    7   to the left of   12
17    7   to the left of   10
18    9  to the right of    2
19    9   to the left of   11
20    9   to the left of    3
21    9  to the right of   17
22    9   to the left of   15
23   10  to the right of    7
24   10  to the right of    5
25   11  to the right of    5
26   11  to the right of    0
27   11  to the right of    7
28   11  to the right of    2
29   11  to the right of    9
30   12  to the right of    7
31   15  to the right of    9
32   16             with    3
33   16   to the left of    4
34   17   to the left of    0
35   17   to the left of    9