e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|----0--2--0--2--0--2--0----------------------------------------------------|
E|-------------------------2--0--2-------------------------------------------|

e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|----------0--2--3--3--2--0-------------------------------------------------|
E|----2--2--------------------2--0--2----------------------------------------|

e|----0--2--0--2--0--2--0----------------------------------------------------|
B|------------------------2--0--2--------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|

These are the 3 main parts. My dad figured this out its more accurate than the others on this site. Enjoy.