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