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