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