a solution to eight number qusetion

AI1\build\classes\ai\eightNQ.class
...\.....\.......\..\List.class
...\.....\.......\..\Node.class
...\.....\.......\..\Pos.class
...\.....\.......\..\Stack.class
...\.....\.......\..\state.class
...\build.xml
...\manifest.mf
...\nbproject\build-impl.xml
...\.........\genfiles.properties
...\.........\private\private.properties
...\.........\.......\private.xml
...\.........\project.properties
...\.........\project.xml
...\src\ai\eightNQ.java
...\...\..\List.java
...\...\..\Node.java
...\...\..\Pos.java
...\...\..\Stack.java
...\...\..\state.java
...\build\classes\ai
...\.....\classes
...\nbproject\private
...\src\ai
...\build
...\nbproject
...\src
...\test
AI1

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