|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|-0-5-7-9-10-12--14-16-17--16-14-12-9--9-10-14-12-10-9-12-10-9-7-5-4-7-5----|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|
|-0-5-7-9-10-12--14-16-17--16-14-12-9--9-10-14-12-10-9-12-10-9-7-5-4-5-7----|
|---------------------------------------------------------------------------|
|---------------------------------------------------------------------------|