----------------------------------------------/15151515151515\-|
----------------------------------------------/14141414141414\-|
-(b9)-7-(b9)7-(b9)-7-(b9)7-(b9)-7---7----------7-(b9)7-(b9)------------------|
-(b9)-7-(b9)7-(b9)-7-(b9)7-(b9)-7-(b9)7-(b9)7-(b9)---7-(b9)7-(b9)------------------|
-7--5-7-5-7--5-7-5-7--5-(b9)5-(b9)7-(b9)---5-7-5-7-------------------|
------------------------7---7-5-7-00---------------------------|