Аккорды Fear Factory - Scumgrief

Tuning goes B, E, A, D, F#, B(in otherwords everystring is 2.5 steps down)

Such a simple song, yet I had so much trouble figuring it out. 
 
 Scumgrief Riff                *
|----------------------------|----------------------------|
|----------------------------|----------0-----------------|
|----------------------------|----------0-----------------|
|------5-5-------------------|------5-5-0-----------------|
|-2----3-2-5-----------------|-2----3-2-2-----------------|
|-0--------3----33335555-2-3-|-0--------3----33335555-2-3-|
                ........ . .                 ........ . .
* somtimes there appears to be a hr on the 5th fret of the 4th string

Play Scumgrief Riff 4 times

 Riff A
|-------------------|
|-------------------|
|-------------------|
|-------------------|
|-5-2-2-2-4-2-2-2-5-|
|-3-0-0-0-2-0-0-0-3-|
    . . .   . . .

Play Riff A, then pause, Riff A, pause, Riff A, pause

 Riff B
|-------------------------------|
|-------------------------------|
|-------------------------------|
|-------------------------------|
|-5-2-2-2-4-2-2-2-5---2---4---7-|
|-3-0-0-0-2-0-0-0-3-0-0-0-2-0-5-|
    . . .   . . .   .   .   .

Play Riff A, followed by Insert A, Riff B, Riff A, Insert B, Riff B

Insert A  Insert B
|---*----|----5-----|
|---5----|----5-----|
|---5----|----5-----|
|---5----|----*-----|
|--------|----------|
|--------|----------|
*The above are natural harmonics

Play Riff A, pause, Riff A, pause, Riff A, pause, Riff B
Play Riff A, followed by Insert A, Riff B, Riff A, Insert B, Riff B
Play Scumgrief Riff 2 times

 Post Scumgrief Riff
|--------------------------------------------|
|--------------------------------------------|
|--------------------------------------------|
|-------6------------------------------------|
|-7-7-7-7----2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-|
|-5-5-4-4----3-0-0-3-0-0-3-0-3-0-0-3-0-0-3-0-|
               . .   . .   .   . .   . .   .

Play Post Scumgrief Riff a total of four times, then pause two measures

 Riff C
|---------|
|---------|
|---------|
|---------|
|-4-4-4-4-|
|-2-2-2-2-|
          
Pause 2 measures, Riff C, pause 2 measures, Riff C, pause 2 measures, Riff C
                           ________  _______
 Riff D                   |1,3      | 2,4
|----------------------------------|---------|
|----------------------------------|---------|
|----------------------------------|---------|
|----------------------------------|---------|
|----------------------------------|-4-4-4-4-|
|-0000-0-0-00000-00000-000-222-222-|-2-2-2-2-|
  .... . . ..... ..... ... ... ...   . . . .

Pause 2 measures, Riff C, pause two measures, Riff C, Riff D
Play Scumgrief Riff 2 twice, then Post Scrumgrief Riff 4 times

|---------|
|---------|
|-----1---|
|-2-2-2---|
|-0-------|
|---4-0---|