What color is the tail?
The tail is gray.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    8
2     0   to the left of    5
3     3          next to   13
4     3             near   13
5     4  to the right of    8
6     4  to the right of    5
7     4   to the left of   10
8     4   to the left of    9
9     4               of   13
10    4  to the right of    0
11    5  to the right of    0
12    5   to the left of    9
13    5   to the left of    4
14    6   to the left of   10
15    6   to the left of    9
16    8  to the right of    0
17    8   to the left of    4
18    8   to the left of    9
19    8   to the left of   10
20    8   to the left of   11
21    8  to the right of   12
22    9  to the right of    4
23    9  to the right of    5
24    9  to the right of   11
25    9  to the right of    8
26    9  to the right of    6
27    9  to the right of   13
28   10  to the right of   13
29   10  to the right of   11
30   10  to the right of    8
31   10  to the right of    6
32   10  to the right of    4
33   10               of    9
34   11   to the left of   10
35   11  to the right of   12
36   11  to the right of    8
37   11   to the left of    9
38   12   to the left of    8
39   12   to the left of   11
40   13   to the left of    9
41   13   to the left of   10
42   13             near    3
43   14        on top of    1