-0-h3-h6-t9-t12-p9-p6-p3-p0--
h : hammer-on
p : pull-off
t : tap
You can either use your ring finger to tap the 12th fret or you can just slide up and back down from the 9th fret. Both sound really cool. Also, substitute the 9th fret with the 10th fret to get a half-diminished sequence.
"My whole life is a dark room...ONE BIG DARK ROOM" - a.f.i.