Slow main riff (well as slow as it gets)
E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|----------------------------------------------------------------|
D|---2--------------3-----3-----3-2--------------3-----5-----3----|
A|---2--------------1-----1-----1-2--------------3-----5-----3----|
E|---0--0-0-0-0-0-0---0-0---0-0---0--0-0-0-0-0-0-1-0-0-3-0-0-1----|


Build up to fast bit
That bit on the end there goes something like that
E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|--------9---9------9---9------9---9-----------------------------|
D|--------9---9------9---9------9---9-----------------------------|
A|--------7---7------7---7------7---7-5555566677/8----------------|
E|---0000---0---0000---0---0000---0---3333344455/6----------------|


Faster main riff (2 variations)
E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|----------------------------------------------------------------|
D|---2-------------3----3----3-2-------------3------5-----3-------|
A|---2-------------1----1----1-2-------------3------5-----3-------|
E|---0-000-000-000--0000-0000--0-000-000-000-1-0000-3-0-0-1-------|


E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|----------------------------------------------------------------|
D|---2-------------3333-3333-2-------------3-----5-----3----------|
A|---2-------------1111-1111-2-------------3-----5-----3----------|
E|---0-000-000-000-----------0-000-000-000-1-0-0-3-0-0-1----------|


..and another two riffs that appear in there somewhere and are 
probably missing a few chunks
E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|---2------------------------------------------------------------|
D|---2--------------------2------7-9-7-9--10-9-7------------------|
A|---0-000-5-7-5-8--7-5-3-2------5-7-5-7--8--7-5------------------|
E|---------3-5-3-6--5-3-1-0-0000----------------------------------|


E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|----------------------------------------------------------------|
D|---4-------------5---5---5-4-------------7--10-9-7--------------|
A|---2-222-222-222-3-x-3-x-3-2-222-222-222-5--8--7-5--------------|
E|----------------------------------------------------------------|