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