+-----------+
| Dresden |
+-----------+
^
|
|
+------+ +--------+ +-------+ +-----------+ +----------+ +---------+
| Bonn | --> | Berlin | --> | Koeln | --> | Frankfurt | --> | Hannover | --> | Hamburg |
+------+ +--------+ +-------+ +-----------+ +----------+ +---------+
|
|
v
+-----------+
| Chemnitz |
+-----------+