Bass intro:
G-----------------------------------#
D-----------------------------------#
A--1-1-1-1---------3-3-3-3----------#
E----------1-1-1-1---------1-1-1-1--#

rest of the song: (just repeat untill the song finishes)

G---------------------------------------------------#
D--0--0--0--0---------------------------------------#
A--------------0--0--0--0--1--1--1--1--3--3--3--3---#
E---------------------------------------------------#

G--------------------------------------------------#
D--------------------------------------0--0--0--0--#
A--------------0--0--0--0--3--3--3--3--------------#
E--1--1--1--1--------------------------------------#

G--------------------------------------------------#
D--------------------------------------------------#
A--1--1--1--1--3--3--3--3--------------------3--3--#
E--------------------------3--3--3--3--------------#