Main Riff - Come in after 2 guitar riffs.
Play this 24 times up to the bridge.
G--------------------------------------
D--------------------------------------
A---------------------2-2-2-2---3333---
E-0-0-1-1-1-0-0-1-1-1--------3-3----33-

Bridge - Play 10 times
G--------------------
D--------------------
A--------------------
E-0-0-1-1-1-0-0-1-1-1

Sequence
Main riff x24
Bridge    x10
Main riff x 5