Intro:

Guitar 1: Play with fast down strokes in typical Paddingtons style

E|------------|
B|------------|
G|-10---------|
D|-10-(x64)---|
A|-8----------|
E|------------|

Guitar 2: Come in after guitar 1 has played half of it's intro


E|----------------|
B|----------------|
G|----------------|
D|-x-x-17-17------| In the last quarter of the intro copy guitar 1 but
A|-x-x-17-17-(x4)-| transposed onto EAD. 
E|-x-x-15-15------|

Main Riff:

Guitars 1 + 2: Played again with fast down strokes

E|-----------------------------|
B|-----------------------------|
G|-----------------------------|
D|-17------16------14----------|
A|-17-(x8)-17-(x8)-14-(x16)----|
E|-15------14------12----------|

These chords are repeated throught the song with each guitar doing different rhythms
and the occasional string click like so...

E|--------------------------------------|
B|--------------------------------------|
G|--------------------------------------|
D|-x-x-17------x-x-16-------x-x-14------|
A|-x-x-17-(x2)-x-x-17-(x2)--x-x-14-(x4)-|
E|-x-x-15------x-x-14-------x-x-12------|