bar 1: E|-----------------------------------1--------------| B|-----------1--------------------------------------| G|-----3-----------3-----3-----3-----------3-----3--| x2 D|--1-----1-----1-----1-----1-----1-----1-----1-----| A|--------------------------------------------------| E|--------------------------------------------------| bar 3: E|-----------------------------------5--------------| B|-----------3--------------------------------------| G|-----5-----------5-----5-----5-----------5-----5--| x2 D|--3-----3-----3-----3-----3-----3-----3-----3-----| A|--------------------------------------------------| E|--------------------------------------------------|