What color are the cat's eyes?
The eyes are green.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    2
2     0   to the left of    1
3     0   to the left of    7
4     0   to the left of    3
5     1  to the right of    0
6     1               on    7
7     1  to the right of    6
8     2  to the right of    5
9     2   to the left of    3
10    2  to the right of    0
11    3  to the right of    2
12    3  to the right of    0
13    3  to the right of    6
14    5   to the left of    2
15    6   to the left of    3
16    6   to the left of    1
17    7  to the right of    0
18    9  to the right of    0