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