List.UniqueItems node can not be used?

In the picture.
I have a list.
But the curve inside is repeated once.
I think I can use the List.UniqueItems node but it doesn’t work.

try to Round X,Y,Z value to Sth like 2 value 0.00

It may be because these curves have same geometry but are not same curvers.!
May be if you post full graph you could get some help.!
Once try converting them to string and try…!

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Curve may not be able to do this. Thanks you^^

I tried it and can’t succeed.

It really should be because of that.
You can try something like saju_autodesk said here:

Like this: