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