digraph G {
	node [label="\N", style=filled, fillcolor="#00ff005f", color="#00ff005f"];
	graph [bb="0,0,300,220"];
	{
		graph [bb=""];
		subgraph cluster_ss81 {
			graph [bb="64,8,134,204"];
			a [pos="99,178", width="0.75", height="0.5"];
			b [pos="99,106", width="0.75", height="0.5"];
			c [pos="99,34", width="0.75", height="0.5"];
			a -> b [pos="e,99,124.1 99,159.7 99,151.98 99,142.71 99,134.11"];
			b -> c [pos="e,99,52.104 99,87.697 99,79.983 99,70.712 99,62.112"];
		}
		e [pos="27,178", width="0.75", height="0.5"];
		f [pos="27,106", width="0.75", height="0.5"];
		e -> f [pos="e,27,124.1 27,159.7 27,151.98 27,142.71 27,134.11"];
	}
	{
		graph [bb=""];
		{
			{
				subgraph cluster_x {
					graph [bb="142,144,292,212"];
					subgraph cluster_y {
						graph [bb="214,152,284,204"];
						y [pos="249,178", width="0.75", height="0.5"];
					}
					x [pos="177,178", width="0.75", height="0.5"];
				}
			}
		}
	}
}