Group 1
Folder 1
Group 3
Folder 3
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Java Version: 1.8.0_111 Java VM: Java HotSpot(TM) 64-Bit Server VM, Oracle Corporation
<html><pre><b>PROBLEM</b>
Can't enter Group 1 because it has an edge to itself.
Try double clicking on it and it does nothing.
Works when you delete "problem_edge".
Working Group 1A
Folder 1
Group 3A
Folder 3
problem_edge