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