C3213322333133313113313221211113313331333133313121121123311132331121   >>    C321332233313331311331322121111331333133313331312112112331113233112   <<    C3213322333133313113313221211113313331333133313121121123311132331123   >>      C3213322333133313113313221211113313331333133313121121123311132331122   >>