Do the rope and the post have the same color?
Yes, both the rope and the post are white.
    src        edge_attr  dst
0     1  to the right of    3
1     1  to the right of   12
2     3   to the left of   12
3     3   to the left of    5
4     3   to the left of    1
5     5  to the right of    3
6     5   to the left of    7
7     5  to the right of    8
8     7  to the right of    5
9     7  to the right of   12
10    8   to the left of    5
11    8   to the left of   12
12    8               in    2
13   12  to the right of    8
14   12  to the right of    3
15   12   to the left of    7
16   12   to the left of    1