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