__$$$$$____$$$$$$____$$_____$$__$$____$$_
_$_____$__$$____$$____$$___$$____$$__$$__
_$_____$__$$___________$$_$$______$$$$___
__$$$$$___$$___$$$$_____$$$________$$____
_$_____$__$$____$$_____$$_$$_______$$____
_$_____$__$$____$$____$$___$$______$$____
__$$$$$____$$$$$$____$$_____$$_____$$____