# six nodes, and one long edge bend around a corner

 [ Oranienburg ] -> [ Henningsdorf ]
 [ Oranienburg ] -> [ Herzberg ]
 [ Henningsdorf ] -> [ Strausberg ]
 [ Strausberg ] -> [ Herzberg ]
 [ Strausberg ] -> [ Neuruppin ]
 [ Oranienburg ] -> [ Herzberg ]
 [ Neuruppin ] -> [ Herzberg ]


