_____$____________$$$_______$$$_____$$
_______$$$_____$____$$$$____$$$$____$$$
_$_______$$$___$$___$$$$___$$$$____$$$_
__$$$$___$$___$$$$_$$$$$___$$$$___$$___$
___$$$$__$$$__$$$_$$$$$____$$$$__$$___$$
$__$$$$_$$$$___$_$$$$$_____$$$$_$$$__$$$
$$_$$$$$