Does the rope have a different color than the calf?
Yes, the rope is yellow and the calf is black.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of   12
2     2   to the left of   11
3     2   to the left of    3
4     2   to the left of   13
5     3  to the right of    2
6     4  to the right of    5
7     4  to the right of   10
8     5  to the right of    8
9     5   to the left of   12
10    5   to the left of    4
11    8   to the left of    5
12    8   to the left of   12
13    8   to the left of    0
14   10   to the left of   12
15   10   to the left of    4
16   11  to the right of    2
17   11   to the left of   12
18   12  to the right of    0
19   12  to the right of   11
20   12  to the right of   10
21   12  to the right of    8
22   12  to the right of    5
23   13  to the right of    2