__$$$$$$____$$_____$$__$$$$$$$$___$$______$$_
_$$____$$___$$_____$$__$$_____$$__$$__$$__$$_
_$$_________$$_____$$__$$_____$$__$$__$$__$$_
_$$___$$$$__$$$$$$$$$__$$$$$$$$___$$__$$__$$_
_$$____$$___$$_____$$__$$___$$____$$__$$__$$_
_$$____$$___$$_____$$__$$____$$___$$__$$__$$_
__$$$$$$____$$_____$$__$$_____$$___$$$__$$$__