Double stroke on open path in After Effects

[Nikki van Onna]

Hi, I’m trying to create a double stroke on an open path in After Effects.
I’m familiar with Offset Path, but that doesn’t do the trick. I want to create a line animation where the lines are intersecting. When adding an Offset Path it becomes 1 shape, without intersection. Also, I want the line to have open ends. I added some images to illustrate what I want to achieve (the first image, with the S en intersecting strokes).

Does anybody knows a solution for this?

Thank you.