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