Intro:

E|-7--|
B|----|
D|-10-|
E|----| x4
B|----|
G|----|

Main Riff:

E|-----------------------------------------------------|
B|-12-12-12-12-12-12-12-13-10--------------------------|
G|----------------------------10-10-10-10-10-10-10-7-9-|
D|-----------------------------------------------------|
A|-----------------------------------------------------|
E|-----------------------------------------------------|

Main Riff (Variation):

E|------------------------------------------------------|
B|-12-12-12-12-12-12-12-8-10----------------------------|
G|---------------------------10-10-10-10-10-10-10-7-9-9-|
D|------------------------------------------------------|
A|------------------------------------------------------|
E|------------------------------------------------------|

Second Riff:

E|-----------------------------------------------------| x4
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|-12-12-12-12-10-10-10-10-8-8-8-8-7-7-7-7-------------|
E|-----------------------------------------------------|