digraph G {
	style=bold;
	subgraph cluster_outer {
		Act_1 -> Act_21;
		Act_1 -> Act_23;
		Act_25 -> Act_3;
		subgraph cluster_inner {
			label = "                          Act_2";
			{Act_21 -> Act_22 [minlen=2]; rank=same;}
			Act_22 -> Act_23;
			Act_22 -> Act_24;
			{Act_23 -> Act_24 [minlen=2]; rank=same;}
			Act_23 -> Act_25;
			Act_24 -> Act_25;
		}
	}
	Ext_1 -> Act_1;
	Act_3 -> Ext_2;
	Ext_3 -> Act_24;
}