====== PlayGround ======

<graphviz>
digraph prisma {
  subgraph clusterprisma {
    node [shape=box, fillcolor=blue, style=filled];
    scenarioGen [label="Scenario\nGenerator"];
    liabilityGen [label="Liability Scenario\nGenerator"];
    portfolioRisk [label="Portfolio Risk\nCalculator"];
    riskAggregation [label="Risk Aggregation"];

    node [shape=box, fillcolor=lightblue];
    riskDrivers [label="Risk Driver Scenarios"];
    liabilities [label="Fair Value\nLiability\nScenarios"];
    portfolioReturns [label="Portfolio Return\nScenarios"];

    scenarioGen -> riskDrivers -> liabilityGen -> liabilities -> riskAggregation;
                   riskDrivers -> portfolioRisk -> portfolioReturns -> riskAggregation;

    color=blue;
    label="PRISMA" [fontsize=20];
  
  }
  node [shape=polygon, sides=4, skew=1.3, style=filled, fillcolor=grey]
  actuarialCF [label="Actuarial\nCF"];
  {rank=same actuarialCF -> liabilityGen}
}
</graphviz>

En twee

<graphviz>
digraph G {
a -> b0;
xb [label="",width=.1,style=invis]
a -> xb [style=invis];
a -> b1;
{rank=same b0 ->  xb -> b1 [style=invis]}
b0 -> c0;
xc [label="",width=.1,style=invis]
b0 -> xc [style=invis];
b0 -> c1;
{rank=same c0 ->  xc -> c1 [style=invis]}
}
</graphviz>