__$$$$$$____$$$$__$$_____$$__$$_____$$_
_$$____$$____$$___$$_____$$___$$___$$__
_$$__________$$___$$_____$$____$$_$$___
_$$___$$$$___$$___$$_____$$_____$$$____
_$$____$$____$$___$$_____$$____$$_$$___
_$$____$$____$$___$$_____$$___$$___$$__
__$$$$$$____$$$$___$$$$$$$___$$_____$$_