You will easily get the riff order while listening, as well as
the rythm.

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Verse
  pattern A
G|—————————————————————————————————————————————————
D|—————————————————————————————————————————————————
A|—————————————————————————————————————————————————
E|—12———12———12———12———12———12———12———12——

  pattern B (steady eightnotes)
E C D E D

  This is how The first D in pattern B is played
G|——————————————————
D|—————3———7———3————
A|—5—5———5———5———5——
E|——————————————————

Chorus (steady eightnotes)
E C D B C D B 

Between Chorus and interlude (starts when he Sings: Striking her Down)
 E C D C D C E

Interlude (Wholenotes, except the very last B)
E D C B