Riff 1
E|----------------------------------------------------------|
B|-----------3---------------------3------------------------|
G|-------2------p0----------0--------2-----------0----------| x 3
D|--0-----------------4--------------------0h2--------------|
A|-------------------------3--------------------------------|
E|----------------------------------------------------------|

Riff 2
E|-----------------------------------------------------------|
B|------------3--------------------------3-------------------|
G|-------0--------------0-----------0------------------------| X 1
D|----------------------------------------------h0-----------|
A|---------------0h2-------2h3-------------------------------|
E|--3--------------------------------------------------------|

Riff 1
E|----------------------------------------------------------|
B|-----------3---------------------3------------------------|
G|-------2------p0----------0--------2-----------0----------| x 3
D|--0-----------------4--------------------0h2--------------|
A|-------------------------3--------------------------------|
E|----------------------------------------------------------|

Pre Chorus (almost same as riff 2 but ends very slightly different)

E|-----------------------------------------------------------|
B|------------3--------------------------3-------------------|
G|-------0--------------0-----------0------------------| X 1-|
D|-----------------------------------------------------------|
A|---------------0h2-------2h3------------2------------------|
E|--3--------------------------------------------------------|

Chorus
E|------------------------------------------------------------------------------|
B|------------1--------------1-------------3-------------3----------------3-----|
G|--------0-------------0-------------0--------------0---------------0----------|
D|------------------2-----------------------------0-----------------------------|
A|--0---------------------------2-------------------------------3---------------|
E|------------------------------------------------------------------------------|

E|-------------------------------------------|
B|-------------------------3-----------------|
G|-------0-----------2--------p0----------0--| X 3
D|--0h2---------0----------------------4-----|
A|-------------------------------------------|
E|-------------------------------------------|

E|-------------------------------------------------------------------------------------------|
B|-------------3-------------3--------------3---------------3-------------3------------------|
G|--------0-------------0---------------0--------------0-------------0--------------------0--|
D|------------------2------------------------------2-------------------------------0h2-------|
A|--3------------------------------3-----------------------------3---------------------------|
E|-------------------------------------------------------------------------------------------|

E|-------------------------------------------------------------------|
B|------------3---------------------------------3--------------------|
G|--------0-----------------0-------------0--------------------------|
D|------------------------------------------------------0h2----------|
A|-----------------0h2-----------2h3---------------------------------|
E|--3----------------------------------------------------------------| ... then
straight back into Riff 1