Main Guitar Riff 
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B-11-11-11-11--11-11-11-11--12-12-12-12--12-12-12-12-|
G-11-11-11-11--11-11-11-11--12-12-12-12--12-12-12-12-|
D----------------------------------------------------|
A----------------------------------------------------|
E----------------------------------------------------|

As close as I could get it but this sounds right to me. Just play very staccato for each note.

http://www.wutang-corp.com/artists/wu-artist.php?id=3