__$$$$$___$$$$$$$___$$$$$$___$$_____$$_
_$_____$__$____$___$$____$$___$$___$$__
_______$______$____$$__________$$_$$___
__$$$$$______$_____$$___________$$$____
_$__________$______$$__________$$_$$___
_$__________$______$$____$$___$$___$$__
_$$$$$$$____$_______$$$$$$___$$_____$$_