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