____$$$___________$$__$$____$$__$$$$$$$$__
___$$_$$__________$$__$$___$$___$$_____$$_
__$$___$$_________$$__$$__$$____$$_____$$_
_$$_____$$________$$__$$$$$_____$$$$$$$$__
_$$$$$$$$$__$$____$$__$$__$$____$$________
_$$_____$$__$$____$$__$$___$$___$$________
_$$_____$$___$$$$$$___$$____$$__$$________