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perl/lib/Graph-Easy-0.76/t/fun/0131.txt

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+# Three non-overlapping groups
+
+group.dmz { fill: #ffa070; }
+group.outer { fill: #f07070; }
+
+( Internal Network:
+  [ Workstation ]
+) { fill: #70b070; }
+
+[ Workstation ] --> [ Inner Firewall ]
+
+( DMZ:
+[ Inner Firewall ] -> [ Proxy ]
+--> [ Outer Firewall ]
+[ Proxy ] --> [ Database\n Server ]
+) { class: dmz; }
+
+( Outer:
+  [ Internet ]
+) { class: outer }
+
+[ Outer Firewall ] --> [ Internet ]
+