|---------------5-7-8----------------|
|---5--8--8-8-8----------------------|
|-5----------------------------------|
|------------------------------------|
|------------------------------------|
|------------------------------------|
|-------------5-5-7-8--8-7-5-7-8-----|
|---5--8--8-7------------------------|
|-5----------------------------------|
|------------------------------------|
|------------------------------------|
|------------------------------------|
|--------------------------------|
|-8-11-10------------------------|
|----------8-11-10---------------|
|--------------------------------|
|--------------------------------|
|--------------------------------|
|