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