------------------------------------------------------ ------------------------------------------------------ ------------------------------------------------------ --------(b9)7-7----------------------(b9)7-7-------------- ------7-------(b9)-7--(b9)-----------7-------(b9)-7--(b9)----- ---7------------------7-------7------------------7---- ----------------------------------------------5-6-7---| ------------------------------------------------------| ------------------------------------------------------| --------(b9)7-7-----------(b9)7-7--------7-8-(b9)-----------| ------7-------(b9)------7-------(b9)----------------------| ---7---------------7----------------------------------| x2 ----5--1---8---4--1--8-8--7--3-5-6-7-6-5-3-- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- ----4-5--1---8---4---1--8-8-----7----------- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- ----5--1---8---4--1--8-8--7--3-5-6-7-6-5-3-- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- -------------------------------------------- ----4-5--1---8---4--1--8-8----7-6-5-3-------| --------------------------------------------| --------------------------------------------| --------------------------------------------| --------------------------------------------| --------------------------------------------| x2