@Lucho, hypercam speed the video up a little. I don't actually move the fast, on good days I average 63secs -_- ...
This technique is known as "Lanta".You can see it in action here:http://www.ustream.tv/recorded/13170288at the 14:10 mark.:D
This video looks a lot like what I did when I tried playing korean style 40 lines.
you move the pieces pretty fast, why you are not sub 50 or 40