___________________________________________________
________________________000________________________
____________________00000000000____________________
__________________0000__000__0000__________________
_________________000____000____000_________________
________________000_____000_____000________________
________________000_____000_____000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
________________0000000000000000000________________
____0000000_____0000000000000000000_____0000000____
__0000000000000_0000000000000000000_0000000000000__
_0000000000000000000000000000000000000000000000000_
_0000000000000000000000000000000000000000000000000_
_0000000000000000000000000000000000000000000000000_
__00000000000000000000000000000000000000000000000__
____00000000000000000000000000000000000000000000___
_______00000000000000000000000000000000000000______