Sweeping
 Very Fast!

e:--------------5-8-5----------------------------------------8-12-17-------|
b:------------5-------5-----------------------------------10---------------|
g:----------5-----------5--------------5-9--------------9------------------|
d:--------7---------------7----------7----10---------10--------------------|
a:------7-------------------7------7---------12-7-12-----------------------|
E:--5-8-----------------------8-5-8----------------------------------------|