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