~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~
~~~~~ 0 0 0 0 0 0 0 0 ~~~~~
~~~~~ 0 0 0 0 0 0 0 0 ~~~~~
~~~~~ 0 0 0 0 0 0 0 0 ~~~~~
~~~~~ 0 0 0 0 0 0 0 0 ~~~~~
~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~ ~~~~~