C3213322333133313113313221211113313331333133313231131131233231322211   >>    C321332233313331311331322121111331333133313331323113113123323132221   <<    C3213322333133313113313221211113313331333133313231131131233231322213   >>      C3213322333133313113313221211113313331333133313231131131233231322212   >>