Experiment with this, it's quite hard to tab the song 100% correctly, just try and pick 
the variations by ear.

-|-14-12-10-7-10-9-9-9-|-----|-7-7-7-7-7-10-9-9-9-|---------------------------|
-|---------------------|-----|--------------------|---------------------------|
-|---------------------|-x2--|--------------------|-x2------------------------|
-|---------------------|-----|--------------------|---------------------------|
-|---------------------|-----|--------------------|---------------------------|
-|---------------------|-----|--------------------|---------------------------|

-|-14-12-10-7-10-9-9-9-|-----|-7-7-7-7-7-10-12-9-9-|--------------------------|
-|---------------------|-----|---------------------|--------------------------|
-|---------------------|-x2--|---------------------|-x2-----------------------|
-|---------------------|-----|---------------------|--------------------------|
-|---------------------|-----|---------------------|--------------------------|
-|---------------------|-----|---------------------|--------------------------|

Main riff:

-|-14-12-10-7-10-9-9-9-|-----|-19-17-15-12-15-14-14-14-|----------------------|
-|---------------------|-----|-------------------------|----------------------|
-|---------------------|-x2--|-------------------------|-x2-------------------|
-|---------------------|-----|-------------------------|----------------------|
-|---------------------|-----|-------------------------|----------------------|
-|---------------------|-----|-------------------------|----------------------|

来源：www.cifraclub.com