|----------------------------17-19------------------------------------------------------17-19-17--|
|--19-------15-17-15-14---------19---------15-14-----19----------15-17-15-14----------------------|
|-----16-14----------------------------16-14---------12-----16-14---------------------------------|
|-------------------------------------------------------------------------------------------------|
|-------------------------------------------------------------------------------------------------|
|-------------------------------------------------------------------------------------------------|

|--17-------14-15-14-12-17-19-17----------14-12-----17-------14-15-14-12-21-22-21--|b
|-----15-14----------------------------15-14----------12----15-14------------------|
|----------------------------------------------------------------------------------|
|----------------------------------------------------------------------------------|
|----------------------------------------------------------------------------------|
|----------------------------------------------------------------------------------|

|---------------------------------------------|
|---------------------------------------------|
|---------------------------------------------|
|--4-4-4-4------------------------2-2-2-2-----|
|--2-2-2-2----0-0-0-0-5-5-5-5-0-0-0-0---------|
|---------------0-0-0-0-5-5-5-5---------------|

|-------------------------------------------------------------------------------|
|-------------------------------------------------------------------------------|
|------------------------------------------------2-2-2-2-2-2--------------------|
|------------------------------------------------4-4-4-4-4-4--------------------|
|--0-0-0-0-0-0-5-5-5-5-5-5-0-0-0-0-0-0------------------5-5-5-5-5-5-------------|
|--0-0-0-0-0-0-5-5-5-5-5-5-0-0-0-0-0-0------------------5-5-5-5-5-5-------------|

|---------------------------------------------------------------------------------|
|---------------------------------------------------------------------------------|
|---------------------------------------------------------------------------------|
|---------------------------------------------------------------------------------|
|--4-4-4-5-4-0-0-2-2-5-5-5-5-----4-4-4-5-4-0-0-2-2-5-5-5-5-7-7-7-7----------------|
|--4-4-4-5-4-0-0-2-2-5-5-5-5-----4-4-4-5-4-0-0-2-2-5-5-5-5-7-7-7-7----------------|