wolffd@0: digraph G {
wolffd@0: 	subgraph cluster_0 {
wolffd@0: 		label = "hello world";
wolffd@0: 		a -> b;
wolffd@0: 		a -> c;
wolffd@0: 		color = hotpink;
wolffd@0: 	}
wolffd@0: 
wolffd@0: 	subgraph cluster_1 {
wolffd@0: 		label = "MSDOT";
wolffd@0: 		style= "dashed";
wolffd@0: 		color=purple;
wolffd@0: 		x -> y;
wolffd@0: 		x -> z;
wolffd@0: 		y -> z;
wolffd@0: 		y -> q;
wolffd@0: 	}
wolffd@0: 
wolffd@0: 	top -> a;
wolffd@0: 	top -> y;
wolffd@0: 	y -> b;
wolffd@0: }