____$$$$$$$$$$$$$$$$$$$$$$$$$
___$_$_____$_$_____$_$__ ___$_$
__$___$___$___$___$___$___$___$
_$_____$_$_____$_$_____$_$_____$
$$$$$ $$$$$$$$$$$$$$$$$$$$$$$$$$$$
_$_______$______$______$_______$
___$______$_____ $_____$______$
_____$_____$____$____$_____$
_______$____$___$___$____$
______ ___$___$__$__$___$
___________$__$_$_$__$
_____________$_$_$_$
______________ _$_$
________________$