E|--------------------------------------------------------------------------------------------------|
B|--------------------------------------------------------------------------------------------------|
G|--------0-----------0-----------0-----------0-----------0-----------0-----------0-----------0-----|
D|-----9-----------9-----------7-----------7-----------9-----------9-----------7-----------7--------|
A|--------------------------------------------------------------------------------------------------|
E|--0-----------0-----------0-----------0-----------8-----------8-----------7-----------7-----------|
    1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &
    
After first 4 bars add this.

E|--------------------------7-----7-----7-----7-----------------------------7-----7-----7-----7-----|
B|--8-----8-----7-----7-----------------------------8-----8-----7-----7-----------------------------|
G|--------------------------------------------------------------------------------------------------|
D|--------------------------------------------------------------------------------------------------|
A|--------------------------------------------------------------------------------------------------|
E|--------------------------------------------------------------------------------------------------|
    1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &  1  &  2  &  3  &  4  &