What color is the wool?
The wool is gray.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    7
2     0  to the right of    2
3     0  to the right of    1
4     0  to the right of    4
5     0  to the right of    3
6     1  to the right of    4
7     1   to the left of    0
8     1  to the right of    7
9     2   to the left of    3
10    2   to the left of    0
11    3   to the left of    0
12    3  to the right of    4
13    3  to the right of    2
14    3  to the right of    7
15    3  to the right of    6
16    3  to the right of   10
17    3   to the left of    9
18    4   to the left of    1
19    4   to the left of    0
20    4   to the left of    3
21    4  to the right of    7
22    6   to the left of    3
23    7   to the left of    0
24    7   to the left of    1
25    7   to the left of    3
26    7   to the left of    4
27    9  to the right of    3
28   10   to the left of    0
29   10   to the left of    3