____________0000_______
___________000000____
__________00000000______
________000000000000________
00000000000000000000000000000__
__0000000000_000_0000000000__
___00000000_000_00000000___
______000000_000_000000___
_______00000_000_00000___
_______000000000000000_____
______00000000000000000_______
_____000000000_000000000__________
____0000000_______0000000_________
___000000___________000000________
__000___________________000____
