play it like this the first time
E|----------------------|------------------------------------|
B|----3------3-6-3----3-|-3----------------------------------|
G|--------5---------5---|-----5------------------------------|
D|----------------------|--------5^6^5-3---3-----------------|
A|----------------------|----------------5-------------------|
E|----------------------|------------------------------------|

play it like this the second time
E|----------------------------------------------------------|
B|-3--------------------------------------------------------|
G|---5-----------7------------------------------------------|
D|-----5^6^5-3---7------------------------------------------|
A|-------------3-5------------------------------------------|
E|----------------------------------------------------------|