Could someone help me understand the difference? Watching these the only real difference I see is the placement of the right foot. 
http://www.youtube.com/watch?v=I01I-...e_gdata_player
http://www.youtube.com/watch?v=pR3L0...e_gdata_player

http://www.youtube.com/watch?v=I01I-...e_gdata_player
http://www.youtube.com/watch?v=pR3L0...e_gdata_player

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