----------------------------------------------------------|
----------------------------------------------------------|
------7---6---7p4--------------7---6------------6h7p6h7---|
-4--------------------7p4-------------------6h7-----------|
-4------------------7-------------------6h7---------------|
-444---4---4-----4-------444----4----4--------------------|
  ..   .   .     .       ...    .    .

-------------------------------------------------9h10p9h10p9h10-12-10-------|
--------10-------------------------------10h11------------------------12-10-|
-----11--------------9h11--------------11-----------------------------------|
---------------10h11--------------------------------------------------------|
--------------------------5h7h9---------------------------------------------|
-000-------00---------------------000----------0----------------------------|
 ...       ..                     ...


-------------------------------|
-------------------------------|
-------------------------------|
-4---4---4---4---0---0---0---0-|
-4---4---4---4---0---0---0---0-|
-44444444444440000000000000000-
  ... ... ... ... ... ... ...