Fill the grid so that each column, row as well as each square sector on the game field contains only one instance of each symbol.
This game is part of the KDE Games suite.
USAGE (from the command line):
       kdegames -h (shows the list of games)
       kdegames $GAME (launches the selected game)

SITE: https://apps.kde.org
SOURCE: https://github.com/ivan-hc/KDE-games-suite-appimage
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