Intro & verses 1&4...
|-----------------|-----------------|-----------------|------------------|
|-----------------|-----------------|-----------------|------------------|
|-----------------|-----------------|-----------------|------------------|
|-----------------|-----------------|-----------------|-5------------5---|
|-2-----------2-3-|-2-----------2-3-|-6-----------6'3-|-3--33333333--3-3-|
|-0--00000000-0-1-|-0--00000000-0-1-|-4--44444444-4'1-|----------------1-|
  q  ssssssss e e   sim.

Something similar to this riff is played over the first figure
(with a different ending the second time):
|------------------|------------------|------------------|-------------------|
|------------------|------------------|------------------|-------------------|
|-9---9&10--9---7--|-9---9&10--9---7--|-6---6&7---6---7--|-12--12&13--12--10-|
|------------------|------------------|------------------|-------------------|
|-7---7&8---7---5--|-7---7&8---7---5--|-4---4&5---4---5--|-10--10&11--10--8--|
|------------------|------------------|------------------|-------------------|

Then this 2x before the first verse: (12&8 meter)
|----------------------------|----------------------------|
|----------------------------|----------------------------|
|----------------------------|----------------------------|
|--------------------------5-|---------------5------------|
|-2------2------3------6-3-3-|-2------2-3333-3------3-6-3-|
|-0-0000-0-1111-1-4444-4-1---|-0-0000-0--------1111-1-4-1-|
  e ssss e ssss e ssss e e e   e ssss e ssss e ssss e e e

2nd, 3rd verses...
|-----------------|-----------------|-----------------|-------------------|
|-----------------|-----------------|-----------------|-------------------|
|---------5-------|---------5-------|---------5-------|---------5---------|
|-6---3&6-5---6'3-|-6---3&6-5---6'3-|-6---3&6-5---6'3-|-6---3&6-5---------|
|-6---3&6-3---6'3-|-6---3&6-3---6'3-|-6---3&6-3---6'3-|-6---3&6-3-5-6'3---|
|-4-0-1&4---0-4'1-|-4-0-1&4---0-4'1-|-4-0-1&4---0-4'1-|-4-0-1&4---3-4'1-0-|
  e e e e e e e e   sim.                                        e e s s e

Between 2nd, 3rd verses (12&8 meter):
|--------------------------|  This is so atonal you could play just about
|--------------------------|  anything and it would sound close, which makes
|--------------------------|  it tough to figure out...
|-----2-------3---------5--|  (plus my tape is *really* warn through in
|---------------4-----4----|  places--literally hundreds of listens will do
|-0-3---5-3-4-----5-3------|  that to a tape)
  e e e e e e e e e e e e

Before verse 4 (12&8 meter still):
|-------------------------|-------------------------|
|-------------------------|-------------------------|
|-------------------------|-------------------------|
|-6-----------7-8---------|-6-------------2-3-------|
|---5-------8-----7-6-----|---5---------3-----3-----|
|-----4-3~~-----------6-7-|-----4-3~~-2---------4-3-|
  e e e q   e e e e e e e   e e e q   e e e e e e e


Steer's solo ("Human Jigsaw"): (rhythm guitar is 2nd riff, 4x)
|------------------------------------------|  (PM this ascending lick)
|------------------------------------------|
|----------------------------------9--9----|
|--------8----8-10-8--10-11-10-11---11-11--|
|-10-9-10---10-----------------------------|
|------------------------------------------|

|--------------------------------------------|
|---------------------12--12-13--12-13-14-12-|
|-8-9-8-9-11-13-11-13---13-------------------|
|--------------------------------------------|
|--------------------------------------------|
|--------------------------------------------|

|----------------------------|
|-14h17p14-17b19r17p14-------| etc.
|----------------------17-16-|
|----------------------------|
|----------------------------|
|----------------------------|

Then this riff, which repeats under Amott's lead:
|-----------------------------|  (The last time, instead of playing the last
|-----------------------------|   C#5 onwards, just play an E5(VII))
|-----------------------------|  (D5 slide to E5 is just a grace note)
|----&9-8-----6-7--7&9-6------|
|-2--&7-6--9--4-5--5&7-4--7-6-|
|-0--------7--------------5-4-|

After Amott's solo...
|---------|----------|---------|----------------|
|---------|----------|---------|----------------|
|---------|----------|---------|----------------|
|-----9---|---11-7-8-|-----9---|--------7&8-8~~-|
|---7---9-|------7-8-|---7---9-|----------------|
|-0-------|-9----5-6-|-0-------|-5&6-6~~--------|
  q q q q   q q  q q   q q q q   e e q  e e q