# placement near other nodes
[ Oberammergau ] -> [ Regensburg ]
[ Regensburg ] -> [ Wasserburg ]
[ Wasserburg ] -> [ Bremen ]
[ Regensburg ] -> [ Siegburg ]
# to be placed around Bremen and Oberammergau
[ Oberammergau ] -> [ Kiel ]
[ Bremen ] -> [ Kiel ]
[ Siegburg ] -> [ Kiel ]