C3213322333133313113313221211113313331333133313231131131233331121212221   >>    C321332233313331311331322121111331333133313331323113113123333112121222   <<    C3213322333133313113313221211113313331333133313231131131233331121212223   >>      C3213322333133313113313221211113313331333133313231131131233331121212222   >>