$$ \
$$ |
$$ | $$$$$$ \ $$\ $$ \ $$$$$$ \
$$ | $$ __$$ \ $$\ $$ | $$ $$ \
$$ | $$ / $$ | $$$$ / $$$$$$$$ |
$$ | $$ | $$ | $$$ / $$ |
$$ | $$$$$$ | \ $ / $$$$$$$ \
_ | _ / _ / ________|