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