|-----------------------------------------1--------------------------|
|-----------1--------------1-----------------------------1-----------|
|----2--------2-----2--------2----2----------2----2--------2---------|
|--------------------------------------------------------------------|
|--------------------------------------------------------------------|
|--1----1-1------1-----1-1------1----1-1--------1----1-1------1-1----|

|------------------------------------------------------------------|
|---------------------------3-------------------------------3------|
|---5---4---2---2---5---4---4---2---5---4---2---2---5---4---4------|
|---7---5---3---3---7---5-------3---7---5---3---3---7---5----------|
|------------------------------------------------------------------|
|------------------------------------------------------------------|

|---------------7-------------(b9)------------7-------------(b9)----|
|---------5-------5-----5-------5-----5-------5-----5-------5---|
|--4/6--6---6-6-------6---6-6-------6---6-6-------6---6-6-------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|