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