0..........................................................................................

............0..............................................................................

........................0..................................................................

....................................0......................................................

................................................0..........................................

............................................................0..............................

........................................................................0..................

....................................................................................0......

...........................................................................................

.....0.....................................................................................

.................0.........................................................................

.............................0.............................................................

.........................................0.................................................

.....................................................0.....................................

.................................................................0.........................

.............................................................................0.............

.........................................................................................0.

...........................................................................................

..........0................................................................................

......................0....................................................................

..................................0........................................................

..............................................0............................................

..........................................................