Pantera's A New Level tab

This is out of the book Guitar World published "Riffer Madness" by Dimebag Darrell with Nick Bowcott.
So I assume this to be the unofficial, official tab haha. 

[Intro]
  [            ] [                 ] [                         ]  
   D5   D#5  E5   D5   D#5   E5  F5   D5     D#5   E5   F5  F#5  G#5
E|------------------------------------------------------------------------------------|
B|------------------------------------------------------------------------------------|
G|------------------------------------------------------------------------------------|
D|------------------------------------------------------------------------------------|
A|--0----1----2----0----1----2----3----0------1----2----3----4----6----6----6----6----|
D|--0----1----2----0----1----2----3----0------1----2----3----4----6----6----6----6----|