Does the animal that looks happy look brown?
No, the lamb is white.
    src        edge_attr  dst
0     0   to the left of    3
1     0  to the right of   12
2     0  to the right of    9
3     2   to the left of   11
4     3  to the right of   12
5     3  to the right of    9
6     3  to the right of    0
7     3  to the right of    7
8     3  to the right of    4
9     4   to the left of    3
10    5   to the left of   11
11    7   to the left of    3
12    7  to the right of   12
13    7               in    0
14    7               on    0
15    7  to the right of    9
16    8  to the right of   12
17    9   to the left of    7
18    9   to the left of    0
19    9   to the left of    3
20   11  to the right of    5
21   11  to the right of    2
22   12   to the left of    8
23   12   to the left of    7
24   12   to the left of    0
25   12   to the left of    3