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