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