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