E|----------------|
B|----------------|
G|----------------|
D|----------------|
A|------5-3vvvv-5-|
E|--1s3-----------|

Riff 2
           ~~~~~          
E|------------------|
B|------------------|
G|------------------|
D|------------------|
A|------10-8vvvv-10-|
E|--6s8-------------|

Riff 3
            ~~~~~          
E|-------------------|
B|-------------------|
G|-------------------|
D|-------------------|
A|------12-10vvvv-12-|
E|--8s10-------------|

played in this order throughout the song 
Riff 1 x4
Riff 2 x2
Riff 1 x2
Riff 3 x1
Riff 2 x1
Riff 1 x2