|------------------------------|
|-------------12~~~~~~~~~~~~~\-|
|-11~~~~~~~~~~-----------------|
|------------------------------|
|------------------------------|
|------------------------------|

|-------------------------------------|
|-------------------------------------|
|-------------------------------------|
|-------------------------------------|
|-9-9-9-9-10-10-10-10-7-7-7-7-7-7-7-7-|
|-7-7-7-7-8--8--8--8--5-5-5-5-5-5-5-5-|

|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-6-4-6-[6]-[6]-[6]--6-4-6-[6]-[6]-[6]--6-4-6-[6]-[6]-[6]-|
|-4-2-4-[4]-[4]-[4]--4-2-4-[4]-[4]-[4]--4-2-4-[4]-[4]-[4]-|

|----------------------------|
|----------------------------|
|---------7-6-7-6------------|
|---------5-4-5-4------------|
|-4-4-4-4----------2-2-2-2-2-|
|-2-2-2-2----------0-0-0-0-0-|