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