MAIN RIFF 1 Intro/verse (guitars 1and2)
E|------------------------------|
B|------------------------------|
G|------------------------------|
D|------------------------------|
A|--4-4-5-5--5-5--7-7--7--------|
E|--2-2-3-3--3-3--5-5--5--------x4|

Then while guitar 1 is playing guitar 2 plays this:
RIFF2
E|------------------------------|
B|------------------------------|
G|------------------------------|
D|---7~~-5~~-8~~-7~~-7~~--------|
A|------------------------------|
E|------------------------------|

Then like half the verse u palm mute main riff 1
RIFF3
E|------------------------------|
B|------------------------------|
G|------------------------------|
D|------------------------------|
A|--4-4-5-5--5-5--7-7--7--------|
E|--2-2-3-3--3-3--5-5--5--------x2|
   pm..................
then do main riff 1 again  

Then go into the chorus which is this:
RIFF4
E|--------------------------------------------------------|
B|--------------------------------------------------------|
G|--------------------------------------------------------|
D|--------------------------------------------------------|
A|-4-4-0-4-4-4-0-4-4-4-7--7-7--4-4-0-4-4-4-0-4-4-4-7--7-7-|
E|-2-2-0-2-2-2-0-2-2-2-5--5-5--2-2-0-2-2-2-0-2-2-2-5--5-5-|
  pm.................         pm.................  
E|----------------------------------------------------|
B|----------------------------------------------------|
G|----------------------------------------------------|
D|-----------------------------7-7-7-7-7--------------|
A|-4-4-0-4-4-4-0-4-4-4-7--7-7--5-5-5-5-5---5-5-5-5-5--|
E|-2-2-0-2-2-2-0-2-2-2-5--5-5--------------3-3-3-3-3--x2|
  pm.................
After the chorus play this while guitar 2 plays riff2 
RIFF 5
E|--------------------------|
B|--------------------------|
G|--------------------------|
D|--------------------------|
A|---5-5-5-5-5-5-5-5--------|
E|---3-3-3-3-3-3-3-3--------|
    pm.............
Play the verse again 
then the chorus
then play the main riff 1 on the A string while palm muting it 
with no gain
then play riff 1 back on the E string then play riff 5 and thats
the end.