Open with this-
D|-------|
A|-------|
E|--10/--|

Riff 1 x8
E|-----------------------------------------------|
B|-----------------------------------------------|
G|-----------------------------------------------|
D|-----------------------------------------------|
A|----------111---------222-333-----111----------|
E|--000-222-----000-111---------222-----222-333--|

Riff 2 x8
E|---------------------------|
B|---------------------------|
G|---------------------------|
D|---------------------------|
A|------3h4-2h3-----2---1h2--|
E|--3-4---------1-2---1------|

Riff 2B x4
E|-------------------------------|
B|-------------------------------|
G|--------------------------0h1--|
D|-------------------------------|
A|------3h4-2h3-----2---1h2------|
E|--3-4---------1-2---1----------|

Repeat Riff 2 x8
Repeat Riff 2B x4

Riff 3 x6
E|-----------------------------------------------|
B|-----------------------------------------------|
G|-----------------------------------------------|
D|----------3---------3---------7---------8------|
A|--2-----3---2-----3---3-4---6-----6---7-----7--|
E|----1-2-------1-2---------5-----5---6-----6----|

Riff 3 (the way I tabbed it out above is exactly how it's played, but it's kind of confusing, so I'll break it down for you here)
E|-------------|-------------|-------------|-----------------|
B|-------------|-------------|-------------|-----------------|
G|-------------|-------------|-------------|-----------------|
D|----------3--|----------3--|----------7--|----------8------|
A|--2-----3----|--2-----3----|--3-4---6----|----6---7-----6--|
E|----1-2------|----1-2------|------5------|--5---6-----5----|

Repeat Riff 1 x8
Repeat Riff 2 x8
Repeat Riff 2B x4