starts at 1 not 0 by default. (S=1)
The results are you want to shift the curves by 1, 2, 3 and 4 whilst the wrapping flag remains on False therefore shortening the list.…
Is it like this:
If a beam is connected from nod 0 to 1 and from 1 to 4. Another from 2 to 3 and from 3 to 5.
Node 1 and 3 have the same coordinates, but are they rigidly connected or not?