Crawling In The Dark (intro) Tab

Ok now contrary to the popular belief this song is not in drop-D tuning it is in 
standard tuning.

e|----------------------------------------------|x3       
b|----------------------------------------------|
g|----------------------------------------------| 
d|----------11---12---11-----------------9------|
a|----9-9-9----9---9-----9-12-9-11---7-7---9----| 
e|---------------------------------7------------|
 4th time you play something different but i havent figgured that out yet