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