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