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