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