<command arg="-root"/>
+ <video href="http://www.youtube.com/watch?v=B2sGaRLWz-A"/>
+
<hgroup>
<vgroup>
<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