[ Bonn ] --> [ Koblenz ] --> [ Frankfurt ] --> [ Dresden ]
[ Koblenz ] --> [ Trier ] { origin: Koblenz; offset: 2, 2; }
--> [ Frankfurt ]
[ Bonn ] --> [ Koblenz ] --> [ Frankfurt ] --> [ Dresden ]
[ Koblenz ] --> [ Trier ] { origin: Koblenz; offset: 2, 2; }
--> [ Frankfurt ]