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