File list (Check if you may need any files):
JavaApplication3
................\build
................\.....\classes
................\.....\.......\javaapplication3
................\.....\.......\Main.class
................\build.xml
................\manifest.mf
................\nbproject
................\.........\build-impl.xml
................\.........\genfiles.properties
................\.........\private
................\.........\.......\private.properties
................\.........\.......\private.xml
................\.........\project.properties
................\.........\project.xml
................\src
................\...\javaapplication3
................\...\................\Main.java
................\sudoku.txt
................\test