Shatter curve problem

[G.Piren (George_Piren)]

Hello!
I’m trying to sort the polylines using “shatter” but nothing comes out (
Any ideas how to do this?

internalise.gh (14.3 KB)

[Joseph_Oster]

split_mesh_2020Sep9a.gh (25.9 KB)

[G.Piren (George_Piren)]

Thank you Joseph!
This is what I need.