|----------------------------------|
|----------------------------------|
|----------------------------------|
|-9-9-9----------------------------|
|--------7-7-7-9-9-9-5-5-5-5-5-5-5-|
|----------------------------------| x3
|-----------------------------------------------|
|-----------------------------------------------|
|-----------------------------------------------|
|-9-9-9-----------------------------------------|
|--------7-7-7-9-9-9-12-12-12-12-12-12-12-12----|
|--------------------------------------------10-|