</vgroup>
</hgroup>
+ <xscreensaver-updater />
+
<_description>
-Animates the Rubik's Mirror Blocks puzzle.
+The "Rubik's Mirror Blocks" puzzle.
See also the "Rubik", "Cube21", and "GLSnake" screen savers.
http://en.wikipedia.org/wiki/Combination_puzzles#Irregular_cuboids