1st riff
E|---------|
B|---------|
G|---------| x3
D|5/7x-5-7x|
A|5/7x-5-7x|
E|3/5x-3-5x|

then,

E|--------|
B|--------|
G|--------|
D|x333-555|
A|x333-333|
E|x111----|

2nd riff

E|-----------------------------------|
B|-----------------------------------|
G|-----------------------------------| *The stuff in the brackets is played
D|-----------------------------------| fast.
A|55-2-55-25-7xx7-(-3-5-66-6-5-3----)|
E|33-0-33-03-5xx5-(5-------------5-3)|

Rythym guitar plays this next riff under the ones above.

E|----------------------|
B|----------------------|
G|----------------------| x2
D|5-77777777------------|
A|5-77777777------------|
E|3-55555555-5p3p0-5p3p0|
    ........


then,

E|-------|
B|-------|
G|-------|
D|333-555|
A|333-333|
E|111----|