Riff 1:

G:-----------------0-------------------------------------0---:
D:-2-2-2--2-2-2--2----0-2---3-3-3--3--2-2-2--2-0-0-0-2-0-----:
A:-------------------3---------------------------------------:
E:-----------------------------------------------------------:

Riff 2:

G:-----------------0---------------------------0-0-----------:
D:-2-2-2--2-2-2--2----0-2---3-3-3--3--2-2-2--2-----3-0-------:
A:-------------------3---------------------------------3~----:
E:-----------------------------------------------------------: