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