What color is the tail?
The tail is blue.
    src        edge_attr  dst
0     0   to the left of   10
1     1   to the left of   13
2     1   to the left of    8
3     1               in    8
4     1   to the left of    6
5     2   to the left of    9
6     4               in    8
7     4  to the right of   10
8     4  to the right of    5
9     5  to the right of   10
10    5   to the left of    4
11    6               in    8
12    6  to the right of    1
13    6   to the left of    9
14    8  to the right of    1
15    9   to the left of   12
16    9               in    8
17    9  to the right of    2
18    9  to the right of   11
19    9  to the right of    6
20   10               in    8
21   10   to the left of    5
22   10  to the right of    0
23   10   to the left of    4
24   11   to the left of    9
25   11               in    3
26   12               in    8
27   12  to the right of    9
28   13  to the right of    1