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