digraph G {

  node [shape=box, style=filled]

  subgraph {
    node [colorscheme=spectral11]
    1 [color=1]
    4 [color=4]
    8 [color=8]
    11 [color="//11"]
  }

  ylgn7 [color="/ylgn7/5"]
  X11 [color="/X11/thistle"]
  indigo [color="/X11/indigo"]
  magenta [color="magenta"]
  

}
