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