$$$$$________________________________________________________
$$___________________________________________________________
$$______$$$$__$$$$$___$$$$__$$$$___$$$$$__$$$$__$$__$$__$$$$_
$$$$$______$$_$$__$$_$$____$$__$$__$$_$$_$$__$$_$$__$$_____$$
$$__$$__$$$$$_$$__$$_$$____$$$$$$__$$_$$_$$__$$_$$$$$$__$$$$$
$$__$$_$$__$$_$$__$$_$$____$$______$$_$$_$$__$$_$$__$$_$$__$$
$$__$$_$$__$$_$$__$$_$$____$$______$$_$$_$$__$$_$$__$$_$$__$$
$$$$$___$$$$$_$$$$$___$$$$__$$$$$_$$__$$__$$$$__$$__$$__$$$$$
______________$$_____________________________________________
______________$$_________________________________