Scratch

Main Riff
E|-------------------------------
B|-------------------------------
G|--5-5--7-7--8-8----8-8-------8-
D|--5-5--7-7--8-8----8-8--8-8--8-
A|--3-3--5-5--6-6----6-6--8-8--6-
E|------------------------6-6----

E|----------| 
B|----------| 
G|8--5-5----| 
D|8--5-5----| 
A|6--3-3----| 
E|----------| 


Chorus
E|------------------------| 
B|------------------------| 
G|--5-5-------------------| 
D|--5-5--5-5--8-8--5-5----| 
A|--3-3--5-5--8-8--5-5----| 
E|-------3-3--6-6--3-3----| 


End of the Chorus
E|--------------------| 
B|--------------------| 
G|--66666666666666----| 
D|--66666666666666----| 
A|--44444444444444----| 
E|--------------------| 

Structure

Continues after the ad
Main Riff x14
Chorus x4
End of the Chorus x1
Main Riff x10
Chorus x4
End of the Chorus x1
Main riff x8
Chorus x11
End of the chorus x1

And Then:
E|-----| 
B|-----| 
G|--5--| 
D|--5--| 
A|--3--| 
E|-----|