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