Hello @Przemyslaw_Stepien
With which Curves do you want to test Line 0 in List 0?
With every curve in List 0 or with all Curves in all lists?
How about that:
So you need the following code:
Geometry.DoesIntersect(x<1><1>,y<1><2>);
See the following post by @Vikram_Subbaiah to learn mor about replication guides