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