C3213322333133313113313221211113313331333133313231131131233122331231   >>    C321332233313331311331322121111331333133313331323113113123312233123   <<    C3213322333133313113313221211113313331333133313231131131233122331233   >>      C3213322333133313113313221211113313331333133313231131131233122331232   >>