___$$$$$$$______$$____________$$_____$$$$$$$$__$$___________________________$$_____
__$$_____$$_____$$____________$$____$$_________$$___________________________$$_____
_$$_______$$____$$____________$$____$$_________$$______$$____$$____$$$$$$$__$$_____
$$_________$$___$$_______$$$$$$$_____$$$$$$$___$$______$$____$$___$$________$$_$$$_
_$$_______$$____$$______$$____$$___________$$__$$______$$____$$____$$$$$$___$$$__$$
__$$_____$$_____$$__$$__$$____$$___________$$__$$__$$__$$____$$_________$$__$$___$$_$$
___$$$$$$$_______$$$$____$$$$$$$____$$$$$$$$____$$$$____$$$$$$$$__$$$$$$$___$$___$$$$