E|------------------------------------|
B|------------------------------------|
G|6-8----6-6-6-6-6-8------6-6-6-8-----|
D|----8--------------8------------8---|
A|---------------------7--------------|
E|------------------------------------|
Repeat that throughout the verses. Only with minor changes to timing. 

[Second Riff, interlude-like part]

E|------------------------------------|
B|6---6-------6-------6--------6------|
G|--8---8-6-8---8-6-8----8-6-8---8-6-8|
D|------------------------------------|
A|------------------------------------|
E|------------------------------------|
A little more distortion and vibrato or other heavy modulation than the regular guitar. 


[Chorus-ey Parts]

E|------------------------------------|
B|------------------------------------|
G|11-13----11-11-11-11-11-13----------|
D|------13-------------------13-------|
A|------------------------------12----|
E|------------------------------------|
Same as the verse parts just transposed up.