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