Is there a cat that is not white?
Yes, there is a brown cat.
    src        edge_attr  dst
0     0   to the left of    1
1     1  to the right of    0
2     1   to the left of    2
3     1   to the left of   11
4     1  to the right of    4
5     1  to the right of    3
6     1   to the left of   10
7     1   to the left of    5
8     2  to the right of    1
9     3   to the left of    1
10    3   to the left of   11
11    4   to the left of   11
12    4   to the left of    1
13    5  to the right of    1
14    5  to the right of    6
15    5  to the right of    9
16    6   to the left of    5
17    6  to the right of    9
18    8   to the left of   11
19    9   to the left of    6
20    9   to the left of    5
21   10  to the right of    1
22   10            above   12
23   11  to the right of    8
24   11  to the right of    1
25   11  to the right of    4
26   11  to the right of    3
27   12            under   10
28   12            below   10