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