C3213322333133313113313221211113313331333133313121121123313211131   >>    C321332233313331311331322121111331333133313331312112112331321113   <<    C3213322333133313113313221211113313331333133313121121123313211133   >>      C3213322333133313113313221211113313331333133313121121123313211132   >>