____$$$_____$$$$$$$$___$$$$$$___$$$$$$$$_
___$$_$$____$$________$$____$$_______$$__
__$$___$$___$$________$$____________$$___
_$$_____$$__$$$$$$_____$$$$$$______$$____
_$$$$$$$$$__$$______________$$____$$_____
_$$_____$$__$$________$$____$$___$$______
_$$_____$$__$$_________$$$$$$___$$$$$$$$_