|---------------|------------------------------|
|---------------|------------------------------|
|---------------|------------------------------|
|---------------|------------------------------|
|--------7---8--|-9----------------------------|
|--------5---6--|-7--7-7-7--7-7-7--7-7-7-7-7-7-|
		    PM........................|


|------------------------------|------------------------------|
|------------------------------|------------------------------|
|------------------------------|------------------------------|
|------------------------------|------------------------------|
|------------------------------|------------------------------|
|-3--3-3-3--3-3-3--3-3-3-3-3-3-|-5--5-5-5--5-5-5--5-5-5-5-5-5-|
 PM..........................................................|


|------------------------------|-------------------------------|
|------------------------------|-------------------------------|
|------------------------------|-------------------------------|
|------------------------------|-------------------------------|
|------------------------------|-------------------------------|
|-2--2-2-2--2-2-2--2-2-3-3-5-5-|-7--7-7-7--7-7-7-7-7-7-7-7-7-7-|
 PM...........................................................|


|-------------------------------|-------------------------------|
|-------------------------------|-------------------------------|
|-------------------------------|-------------------------------|
|-------------------------------|-------------------------------|
|-------------------------------|-------------------------------|
|-3--3-3-3--3-3-3-3-3-3-3-3-3-3-|-5--5-5-5--5-5-5-5-5-5-5-5-5-5-|
 PM............................................................|


|-------------------------------|
|-------------------------------|
|-------------------------------|
|-------------------------------|
|-------------------------------|
|-2--2-2-2--2-2-2-2-2-2-2-2-2-2-|
 PM............................|