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+digraph G {

+	xyz [label = "hello\nworld",color="slateblue",fontsize=24,fontname="Palatino-Italic",style=filled,fontcolor="hotpink"];

+	node [style=filled];

+	red [color=red];

+	green [color=green];

+	blue [color=blue,fontcolor=black];

+	cyan [color=cyan];

+	magenta [color=magenta];

+	yellow [color=yellow];

+	orange [color=orange];

+	red -> green;

+	red -> blue;

+	blue -> cyan;

+	blue -> magenta;

+	green -> yellow;

+	green -> orange;

+}