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