yes i do know its 12d3 but i rushed through this tab
this is it though i think it is played on an acoustic or how ever you spell it...

------------------------------------------
------------------------------------------
----------9-------------------------------
---9--9---9-------------------------------
---9--9---7-------------------------------
---7--7-------7--9--7--10-7----------------


you repeat that a whole bunch-o times

you of corse gotta listen for the rythem but have fun playin it...
by the way... if you can fill me in on what the deal is with think tank i would be ever so greatfull