Which color is the bear?
The bear is white.
    src        edge_attr  dst
0     0   to the left of    9
1     1  to the right of    4
2     2  to the right of   10
3     4   to the left of    9
4     4   to the left of    1
5     6               of    9
6     6  to the right of    7
7     7   to the left of    6
8     8   to the left of    9
9     8   to the left of   11
10    8   to the left of   10
11    8             near    9
12    9  to the right of    4
13    9             near    8
14    9  to the right of    8
15    9  to the right of    0
16   10  to the right of    8
17   10               of    9
18   10   to the left of    2
19   11  to the right of    8