Intro:
E|3/5-------------------------3/5--------------3-------------------|
B|------5/3---3/5/3----------------3/5---5/3-----3b5r3-------------|
G|-------------------5/2--------------------------------5/2--------|
D|-----------------------------------------------------------------|
A|-----------------------------------------------------------------|
E|-----------------------------------------------------------------|

Main riff:
Can be played like this
E|-----------------------------------------------------------------|
B|-----------------------------------------------------------------|
G|-----------------------------------------------------------------|
D|---7-----5-------------------------------------------------------|
A|7--5--7--3--7----------------------------------------------------|
E|5-----5-----5----------------------------------------------------|

This sounds good too
E|-----------------------------------------------------------------|
B|--3--1-----------------------------------------------------------|
G|2--2--2----------------------------------------------------------|
D|2--2--2----------------------------------------------------------|
A|-----------------------------------------------------------------|
E|-----------------------------------------------------------------|