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