C3213322333133313113313221211113313331333133313121121123321122131211   >>    C321332233313331311331322121111331333133313331312112112332112213121   <<    C3213322333133313113313221211113313331333133313121121123321122131213   >>      C3213322333133313113313221211113313331333133313121121123321122131212   >>