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