# six nodes, and one edge with a bend
[ Oranienburg ] -> [ Henningsdorf ]
[ Oranienburg ] -> [ Herzberg ]
[ Henningsdorf ] -> [ Strausberg ]
[ Strausberg ] -> [ Herzberg ]
[ Strausberg ] -> [ Neuruppin ]
[ Oranienburg ] -> [ Potsdam ]
[ Neuruppin ] -> [ Herzberg ]