Unwell Opening Riff Guitar Tab

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I saw another guy that posted the chords but didn't have the neat little opening riff 
(and the one that closes the song... they're pretty much the same thing)... I'm not sure 
what effect the guys are using but it's definitely a clean sound this should be pretty 
close to the notes used... It's pretty simple and if you can nail that effect, sounds 
beautiful.  Standard Tuning, you'll have to figure out timing for yourself...here ya go:

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------10-12-10-----------10-12-10-10~------10-12-10--------
-9/11----------11-9-9/11----------11~-9/11----------11-9---
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------10-12-10--9~--------10-12-10----------10-12-10-10~---
-9/11----------11~---9/11----------11-9-9/11---------11~---
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-----------------------------------------------------------
-12-10-----------10-12-10~------10-12-10-----------10-12-10
-------11-9-9/11-----------9/11----------11-9-9/11---------
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--9~-----------------------
-11~-9---9/11-11/13--------
-------9-------------------
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