All you need is two strings Intro A|11-9-12-11-9-11-11-9-12-11-9-11- E|0--0-0--0--0-0--0--0-0--0--0-0-- A|11-9-12-11-9-11-11-9-12-11-9-11- E|9--9-9--9--9-9--9--9-9--9--9-9-- A|11-9-7-xx-11-9-7-4-9 E|9--7-5-xx-9--7-5-2-7