|------------------------------|
|------------------------------|
|-9----------------------------|
|-9---9---9---9----------------|
|-7-7-7-7-7-7-7-10-9-7-9-5-----|
|------------------------------|
. . . PM
|-------------------------------------|
|-------------------------------------|
|-5-----------------------------------|
|-5---5---5---5---5p3p0-5p3p0-5p3p0---|
|-3-3-3-3-3-3-3-----------------------|
|-------------------------------------|