Riff 1
E|E|--------------------------------------------------------||
B|E|--------------------------------------------------------||
G|E|--------------------------------------------------------||
D|-2-2--2-2---3-3--3-3------------------------------------|
A|-2-2--2-2---3-3--3-3------------------------------------|
E|-0-0--0-0---1-1--1-1------------------------------------|

Riff 2 (gtr 1)
E|E|--------------------------------------------------------||
B|E|--------------------------------------------------------||
G|-2------------------------------------------------------|
D|-2------------------------------------------------------|
A|-0...--0-2-3--3-3-5-5-2-3-2-----------------------------|
E|E|--------------------------------------------------------||

(gtr 2)
E|E|--------------------------------------------------------||
B|E|--------------------------------------------------------||
G|E|--------------------------------------------------------||
D|-7--7-7-7-7-7-7-7--3--3-3-3--5--5-5-5-------------------|
A|-7--7-7-7-7-7-7-7--3--3-3-3--5--5-5-5-------------------|
E|-5--5-5-5-5-5-5-5--1--1-1-1--3--3-3-3-------------------|

Riff 3
E|E|--------------------------------------------------------||
B|E|--------------------------------------------------------||
G|-9-9-9-9-9-9-9-9-7-7-7-7-7-7-7-7-4-4-4-4-4-4-4-4-7-7----|
D|-9-9-9-9-9-9-9-9-7-7-7-7-7-7-7-7-4-4-4-4-4-4-4-4-7-7----|
-7-7-7-7-7-7-7-7-5-5-5-5-5-5-5-5-2-2-2-2-2-2-2-2-5-5...-
E|--------------------------------------------------------|

Riff 4 (just the chords, not how many times!)
E|--------------------------------------------------------|
E|--------------------------------------------------------|
-7--10--12--14---7--10-12--5--7-------------------------
-7--10--12--14---7--10-12--5--7-------------------------
-5--8---10--12---5--8--10--3--5-------------------------
E|--------------------------------------------------------|