l-------------------------------------l (play some times)
l-------------------------------------l
l-------------------------------------l
l-4/5-5-----------------4/5-5-5/5-7-l
l-5/7-7-2-2-2-2-2-2-2-2-5/7-7-3/3-5-l
l-------0-0-0-0-0-0-0-0---------------l

l---------7-------l (play some times)
l-5-8-7-8---8-7-8-l
l-----------------l
l-----------------l
l-----------------l
l-----------------l