digraph {
	subgraph cluster01 {
		label = "DAG of service dependencies";

		1->2;
		1->3;

		3->4;
		3->5;
	}

	subgraph cluster02 {
		label = "Resulting order of dashboards";
		node [ shape = box ];
		edge [ style = invis ];

		d1 [ label = 1 ];
		d2 [ label = 2 ];
		d3 [ label = 3 ];
		d4 [ label = 4 ];
		d5 [ label = 5 ];

		d1->d2;
		d2->d3;
		d3->d4;
		d4->d5;
	}
}