- star - 4 nodes around a center
<graph>
[ S23 ] -> [ Neighbor1 ] [ S23 ] -> [ Neighbor2 ] [ S23 ] -> [ Neighbor3 ] [ S23 ] -> [ Neighbor4 ] [ S23 ] -> [ Neighbor5 ]
</graph>
<graph>
[ S23 ] -> [ Neighbor1 ] [ S23 ] -> [ Neighbor2 ] [ S23 ] -> [ Neighbor3 ] [ S23 ] -> [ Neighbor4 ] [ S23 ] -> [ Neighbor5 ]
</graph>