7 acessos
e-----------------------------------------|
b-----------------------------------------|
g-88888888s777s555s333-------333----------|
d---------------------555-111---111-33-1--| x2
a-----------------------------------------|
e-----------------------------------------|
e-------------------------------------------------------------|
b-------------------------------------------------------------|
g-88888888s101010-121212-88-101010-121212-151515-1212-1515-12-|
d-------------------------------------------------------------|
a-------------------------------------------------------------|
e-------------------------------------------------------------|
e---------------------------------------------------------|
b---------------------------------------------------------|
g-88888888s777s555s333-------333----------3----------1--0-|
d---------------------555-111---111-33-1-----1--3--1------|
a---------------------------------------------------------|
e---------------------------------------------------------|