[Ahsoka scoots over so they can sit beside each other-- there's no point in trying to learn or instruct from afar. She leans over the pieces, inspecting each one of them carefully.]

Hmmm. It's not exactly the same as what I know either, but the basic concept seems to be the same. Here.

[She picks up one piece, having settled on it after her inspection.] This piece should be the core. Does that help?