|---------------------------------|
|---------------------------------|
|-----------------3-3-------------|
|-7-7-----3-3---------------------|
|-----4-5-----4-5-----4-5-7-5-4-0-|
|---------------------------------|
|---------------------------------|
|---------------------------------|
|-----------------3-3-------------|
|-7-7-----3-3---------------------|
|-----4-5-----4-5-----4-5-7-5-4-0-|
|---------------------------------|
|---------------------------------|
|---------------------------------|
|-----------------3-3-------------|
|-7-7-----3-3---------------------|
|-----4-5-----4-5-----4-5-7-5-4-0-|
|---------------------------------|