This is the only riff

E-----------------------------------------|
A--------------0-2------------------------|
D-0-2222-22-22-----0-2222-22-22-4-5-4-----|
G------------------------------------ x10-|

on the end of the third time, do this

E-------------------------------|
A--------------0-2--------------|
D-0-2222-22-22-----0-2222-22-22-|
G-------------------------------|