What color are the letters?
The letters are gold.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    3
2     0   to the left of    4
3     0   to the left of    2
4     2   to the left of    8
5     2  to the right of    0
6     3   to the left of    5
7     3  to the right of    0
8     4   to the left of    5
9     4  to the right of    0
10    5  to the right of    3
11    5   to the left of    7
12    5  to the right of    6
13    5  to the right of    8
14    5  to the right of    4
15    6  to the right of    0
16    6   to the left of    5
17    7  to the right of    9
18    7  to the right of    5
19    8   to the left of    5
20    8  to the right of    2
21    9   to the left of    7