E|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|------------------------------------------------------------------|
D|------------------------------------------------------------------|
A|--------3-------3-------3-------3-------4-------4-------4-------4-|
E|--0-0-1---0-0-1---0-0-1---0-0-1---0-0-2---0-0-2---0-0-2---0-0-2---| x4
pm....... ..... ..... ..... ..... ..... ..... .....