How do I shift a list for points on a certain Z Coordinate

Grasshopper
1

Hi,
I am trying to make a curve through some plates but the top points are shifted weirdly. I was wondering how to fix this?

Screen Shot 2020-03-05 at 10.43.40 PM
Screen Shot 2020-03-05 at 10.43.40 PM492×1124 35.1 KB

Screen Shot 2020-03-05 at 10.43.31 PM
Screen Shot 2020-03-05 at 10.43.31 PM654×1116 137 KB

2

Hi @jessiepan2000,

Can you provide the files you used to generate this and a sketch on what you are trying to get the result to look like?