----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
-----------------------------------------------------------6-6-------6-6----|
-------8-8-----------------------8-8-------------------4-4------4-4---------|
---6-6-----9-9--8-8---------2-2-------9-9--8-8------------------------------|
------------------------------|
------------------------------|
------------------------------|
------------------------------|
------9-9--8-8----------------|
--8-8-----------9-9-----------|
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
----------------------------------------------------------------------------|
-----------------------------------------------------------6-6-------6-6----|
-------8-8-----------------------8-8-------------------4-4------4-4---------|
---6-6-----9-9--8-8---------2-2-------9-9--8-8------------------------------|
------------------|
------------------|
------------------|
--3-3-3--4-3------|
-------------4----|
------------------|
|