Just insert the puzzle, click "Solve" and the solution will be shown.
Download link:
Repository:
[Desktop Entry]
Version=4.3.0
Name=Eclipse
Comment=IDE for all seasons
#Exec=/opt/eclipse-java/eclipse
Exec=env UBUNTU_MENUPROXY=0 /opt/eclipse/eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
Type=Application
Categories=Utility;Application