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