block_graph

digraph G {
    rankdir=LR;
    fontname="sans-serif";
    penwidth="0.1";
    edge [comment="Wildcard edge", 
          fontname="sans-serif", 
          fontsize=10, 
          colorscheme="blues3", 
          color=2, 
          fontcolor=3];
    node [fontname="serif", 
          fontsize=13, 
          fillcolor="1", 
          colorscheme="spectral9", 
          color="9", 
          fontcolor="10", 
          style="filled"];
    "Start" [style="dashed"];
    "Given" [fillcolor="8"];
    "When" [fillcolor="6"];
    "Then" [fillcolor="3"];
    "Cleanup" [fillcolor="1"];
    "Where" [fillcolor="9"];
    "End" [style="dashed"];
    "Start" -> "Given";
    "Start" -> "When";
    "Start" -> "Then";
    "Given" -> "When";
    "Given" -> "Then";
    "When" -> "Then";
    "Then" -> "Then";
    "Then" -> "Cleanup";
    "Then" -> "Where";
    "Then" -> "End";
    "Cleanup" -> "Where";
    "Cleanup" -> "End";
    "Where" -> "End";
}