The intro riff goes just like this
(Repeated)
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------------------------------------------------------
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|---2---5-------7-------5---2-------------------------------------
|---0---3---0---5---0---3---0-------------------------------------
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And the verse riff is just a variation of the Intro riff
| first part |
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--------------------2-----------2-----------2---------
|---2---------------------------2-----------2-----------2---------
|---0---3---0---5---0---3---0-------0---0-------0---0-------------
------------------------------------------------------
0
