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