_$$$$$$$__$$_____$$__$$$$__$$_____$$_
_$____$___$$_____$$___$$____$$___$$__
_____$____$$_____$$___$$_____$$_$$___
____$_____$$$$$$$$$___$$______$$$____
___$______$$_____$$___$$_____$$_$$___
___$______$$_____$$___$$____$$___$$__
___$______$$_____$$__$$$$__$$_____$$_