Simple song really, it just loops two bars, use either whenever, the both fit the whole song:
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G|----------------------------|
D|--------3--3------------2---|
A|--0--0--------3--3--2-3---3-|
E|----------------------------|
And you can put this one in too, I usually use it at the end of verses but it can go anywhere:
G|----------------------------|
D|--------3--0------------2---|
A|--0--0--------3--3--2-3---3-|
E|----------------------------|