Hey. I think this intro goes this way:
E|----2-------4-------6-------4---------00-000-2-2-22-22-4-4-444-2-2-22-22-|
B|--0---0---2---2---4---4---2---2-------00-000-2-2-22-22-4-4-444-2-2-22-22-|
G|-------------------------------------------------------------------------|
D|-------------------------------------------------------------------------|
A|-------------------------------------------------------------------------|
E|-------------------------------------------------------------------------|