Is the color of the leaf different than the coral?
Yes, the coral is red and the leaf is green.
    src        edge_attr  dst
0     0               on    1
1     4  to the right of    8
2     4   to the left of    6
3     4  to the right of   10
4     5   to the left of   11
5     5   to the left of   10
6     6  to the right of   10
7     6  to the right of    7
8     6  to the right of    4
9     7   to the left of    6
10    7  to the right of   10
11    7  to the right of   11
12    8   to the left of    4
13    8   to the left of   10
14    8  to the right of   12
15   10  to the right of    5
16   10   to the left of    6
17   10  to the right of   12
18   10  to the right of    8
19   10   to the left of    7
20   10   to the left of    4
21   11  to the right of    5
22   11  to the right of   12
23   11   to the left of    7
24   12   to the left of   11
25   12   to the left of   10
26   12   to the left of    8