Intro, verse, and chorus:
Up
|---2-3----2-3-----------------------|
|-3------3------3-3-3-3-3-3----------|
|-4------2------0-0-0-0-0-0----------|
|------------------------------------|
|------------------------------------|
|------------------------------------|

Down
|-5-3-2--5-3-2-----------------------|
|---------------3-3-3-3-3-3----------|
|-4------2------0-0-0-0-0-0----------|
|------------------------------------|
|------------------------------------|
|------------------------------------|

After playing those two riffs usually 4 times,
the 0/3 chord is extended, for an extra beat.
There are a few bass notes I haven't yet figured out.
The outro is a mess of chords I don't care to figure out.
Enjoy.