E |------------------------------------------|
B |------------------------------------------|
G |-11--9--7--9--7-------11--9--7--9--7------|
D |-----------------9--------------------9---|
A |------------------------------------------|
E |------------------------------------------|

E |---------------------------------------------|
B |---------------------------------------------|
G |-11--9--7--9--7--9--7----11--9--7--9--7------|
D |-----------------------------------------9---|
A |---------------------------------------------|
E |---------------------------------------------|

That's it.  It's incredibly simple.
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来源：www.cifraclub.com