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perl/lib/Graph-Easy-0.76/t/in/8_chain.txt

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+# a chain with branches. Despite the branches defined first,
+# the output should create one chain with branches going up/down
+
+ [ Bonn ] --> [ Berlin ]
+ [ Berlin ] --> [ Koeln ]
+ [ Koeln ] --> [ Frankfurt ]
+ [ Frankfurt ] --> [ Chemnitz ]
+ [ Frankfurt ] --> [ Dresden ]
+ [ Frankfurt ] --> [ Hannover ]
+ [ Hannover ] --> [ Hamburg ]