Where is the rope, in the bottom or in the top part of the picture?
The rope is in the top of the image.
   src        edge_attr  dst
0    4   to the left of    6
1    6  to the right of    4
2    7   to the left of   13
3   10   to the left of   13
4   13  to the right of    7
5   13  to the right of   16
6   13  to the right of   10
7   13  to the right of   17
8   16   to the left of   13
9   17   to the left of   13