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