What color is that steam?
The steam is yellow.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    7
2     1   to the left of    3
3     3  to the right of    1
4     4  to the right of    7
5     5   to the left of    8
6     5  to the right of    7
7     7   to the left of    5
8     7   to the left of    9
9     7  to the right of    0
10    7   to the left of    4
11    8  to the right of    9
12    8  to the right of    5
13    9  to the right of    0
14    9  to the right of    7
15    9   to the left of    8