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