Sidewinder Intro Tab

Album:City of Evil
Band: Avenged Sevenfold
Track: Sidewinder
Drop d tuning D A D G B E
 
awesome song but couldnt find a good tab for the intro
so here is what i got, try and go easy this is my first tab.
                            {pretty fast pickin'}
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|--16/18-16-18/20-18-16-14--14-16-17-16-14-16-12--10--8-|
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                                           {fast pickin' again }
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|--10--15-13-15-13-15/18-16-18/20-18-16-14--13-15-16-15-13-15-11-|
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Hope this isnt too sloppy!
X