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