a b b2
A
E|-----------------------------|---------------------|-----------------------|
B|.-0^2-2-2-2-2---------------.|---------------------|-2-2-2-2-2-------------|
G|--0^2-2-2-2-2----------------|-5-5-5-x-x--7-7-7-x-x|-2-2-2-2-2-------------|
D|.-0^2-2-2-2-2-5^2--4^2------.|-5-5-5-x-x--7-7-7-x-x|-2-2-2-2-2-5^2-4^2-----|
A|----------0-0-----------3b-0-|-3-3-3-x-x--5-5-5-x-x|-------0-0---------3b-0|
E|-----------------------------|---------------------|-----------------------|