# 5 nodes linked in a circle
[ Oberammergau ] -> [ Regensburg ]
[ Regensburg ] -> [ Wasserburg ]
[ Wasserburg ] -> [ Bremen ]
[ Bremen ] -> [ Oberammergau ]
# 5 nodes linked in a circle
[ Oberammergau ] -> [ Regensburg ]
[ Regensburg ] -> [ Wasserburg ]
[ Wasserburg ] -> [ Bremen ]
[ Bremen ] -> [ Oberammergau ]