Very fast and powerful riff... must played quickly, then it sounds good...and cool ;) 
                                                                        
E||--------------------------------|-----------------------------------|
B||--------------------------------|-----------------------------------|
G||--2-----------------------------|--2---------------------9-7--------|
D||--2----------7----------3-6-7-6-|--2----------7--------------10-9-7-|
A||-----0-0-0-0----0-0-0-0---------|-----0-0-0-0----0-0-0-0------------|
E||--------------------------------|-----------------------------------|


                                                              
E||--------------------------------|----------------------------|
B||--------------------------------|----------------------------|
G||--2-----------------------------|----------------------------|
D||--2----------7----------3-6-7-6-|--7--6-3--------------------|
A||-----0-0-0-0----0-0-0-0---------|---------7--5-3-2-----------|
E||--------------------------------|-------------------5--4--1--|