Animating a Rubik's Cube in 3DS Max tutorial: a simpler way

Hi! It's my first video tutorial. Here is another technique of animating a Rubik's Cube: with TCB Rotation controllers, that is much simpler and convenient that link constraint approach.
And sorry for my accent :)
- Zigmar

P.S. If you have a question or having trouble understanding what I mumble, feel free to ask at comments :)

P.P.S. This is script used in this tutorial:
http://zigmar.googlepages.com/TCB_Set...

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UPDATE
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Script code that should work for all selected cubes for all frames, no editing requited. Thanks to sh0dan2!

-------cut here--------
--Work for all cubes in selection
for cube in selection do ( for i in cube.rotation.controller.keys do ( i.tension = 50 )
)
------- end of cut--------

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