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